Transactions and Proceedings
of the Palaeontological Society of Japan
New Series No. 93
Palaeontological Society of Japan April 20, 1974 Editor: Hiroshi UJIIE Associate editors: Ikuwo OBATA, Yasuji SAITO
Officers for 1973 - 1974
Honorary President: Teiichi KOBAYASHI President: Tatsuro MATSUMOTO Councillors (*Executive): Kazuo ASAMA,* Kiyoshi ASANO, Kiyotaka CHINZEI,* Taka shi HAMADA,* Tetsuro HANAI,* Kotora HATAI, Itaru HAYAMI*, Kametoshi KANMERA,* Tamio KOTAKA, Tatsuro MATsuMoTo,* Tokio SHIKAMA, Tsugio SHUTO, Yokichi TAKAYANAGI,* Toshimasa TAN AI, Hiroshi UJIIE* Executive Committee: General Affairs: Itaru HAY AMI, Y asuhide IWASAKI Membership: Kazuo ASAMA, Kazuhiko UEMURA Finance: Takashi HAMADA, Naoaki AOKI Planning: Tetsuro HAN AI, Saburo KANNO Publications Transactions: Hiroshi U JIlE, Iku wo OBA T A, Yasuji SAITO Special Papers; Kametoshi KANMERA, Ienori FUJIYAMA, Tomowo OZAWA " Fossils": Yokichi TAKAYANAGI, Toshiaki TAKAYAMA
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627. REPORT" OF LOW.ER TRIAS FROM PIR PANJAL, NEAR QAZIGUND, KASHMIR, INDIA, WITH DESCRIPTION OF A FEW AMMONOIDS;'
HARI MOHAN KAPOOR
Geological Survey of India, Lucknow, India
and"
YUJI BANDO
Department of Geology, Kagawa University, Takamatsu, Japan
1 :/ roo tJ -/ ~ -/I--~'I'I Qazigundfii!I:O) Pir Panjal J:1!!.!i.O)rgji=:''0:* : *'i'ivJ:t1E*" ,I.-J.* Zewan Series O)J:fflU:J!I/fJ(~~1.'"Ct':iI~, Claraia -'(o Ophiceras t,d:O)if!i:8',t:.J: I), ~ t':"h -/ ~ - 11--0) Srinagar fii!IO) Guryul Ravine 1:: ge;~-t Q Ttfll=:':'&* c.1m~fliI~j;>1!~'"C ~njJ.'J.-tQ;:b~pz:,rl'fIi=:'1i:*I::~-tQ;:cil~aJJz:,iI,ct.:-::>t,:o ;:0) Pir Panjal J:l!!.lKiI>z:,11€ I±l L. t,:~:f~I'l':Jt.: 7 :/-'C j-1 r c. L. '"C Lytophiceras aff. ptychodes DIENER, HYPophiceras? sp., Glyptophiceras sp., Ophiceras sp. ~~l'.ilUl15- L. t':iI~, .:. ~1. z:, 0) 7 :/ -'C j- 1 r !liJJ¥On t"ili'!lt.:"h -/ ~ -/1--0) Pastun S(> Spiti 0) Ophiceras JJJ!!1J)r.fc.;iHt~hQo H. M. KAPOOR, ~*ttm
logical details. These discrepancies make Introduction it difficult to correlate different strata situated apart. Therefore, in the present Kashmir has extensive development paper the authors have made an attempt of Permian and Triassic formations. to review one of the areas of Pir Pan Many of the geological sections, confined jal, Kashmir, situated near Qazigund, on to the Vihi and Traal valleys of Kashmir, the basis of latest data available from are famous in the annals of Himalayan type sections. stratigraphy. A number of modifications, TEICHERT, KUMMEL and KAPOOR (1970) reviews and additions of data have also and NAKAZAWA and his collaborators been done from time to time on these (1970) in recent years carried out ex sections by geologists from India and a tensive study of the Guryul Ravine broad; but for other areas of Kashmir, section of Vihi Valley. They established we still lack lithological and paleonto- that advent of the Lower Trias in Kashmir is marked by the appearance * Published with the permission of the Director General, Geological Survey of India. of Claraia, and many of the Permian Received May 13, 1973: read June 23, brachiopods continued to survive in the 1973 at Niigata. lower part of the Lower Trias. The 227 228 Hari Mohan KAPOOR and Yuji BANDO
Lower Triassic ammonoid fauna, how- /. et ai. (1970) considered the Pastun ever, made its first appearance when (=Pastannah) section as the type section the typical Permian elements completely of Lower Triassic beds in Kashmir. As vanished. The boundary between Perm the above papers revise the contact be ian and Triassic, considered by TEICHERT tween Permian and Lower Trias, the et ai. (1970) and NAKAZAWA et ai. (1970), position of the boundary is also likely is considerably lower than the boundary to change at Pastun. The revision of inferred by MIDDLEMISS (1910) and Pastun has already been taken up by W ADIA (1957); thus reducing the thick KAPOOR, and he found that the boundary ness of the Zewan Series and increasing is actually quite below the one hitherto the thickness of the Lower Triassic beds. considered. The Pir Panjal area, which Out of the several known sections is far away from Vihi Valley, is com from Vihi and Traal Valley, the Guryul pared with the above type section to Ravine section, where maximum details know the lateral extention and litho have been worked out by NAKAZAWA logical and faunal variations of the and his collaborators, is regarded as the Zewan Series and the Lower Triassic type for comparative study in this paper. beds in Kashmir Himalaya, and also to TEICHERT et ai. (1970) and NAKAZAWA know the faunas at the Permo-Triassic
1'6 Km. N ~-~ I • Kontsul
>< Kukilphiur Gali
9860 BUflotoP.
\..' R.4 N G ~ F:
, q
H.M.Kapoor
Text-fig. 1. The sketch map of Pir Panjal, near Qazigund, Kashmir, showing the Lower Gondwana, the Zewan Series and the Lower Trias. Inset: Key Map. 627. Lower Trias from Pir Panjal, Kashmir 229
contact. This comparative study also Geology modifies the Zewan Series of Pir Panial of pioneer workers, as the upper part The geological sequence given in the of it is included now into the Lower Table 1 is modification of HAZRA and Trias. PI~ASAD (1963) as observed by KAPOOR. The area dealt with in the present Text-fig. 1 is a geological map of Pir paper, lies north of the Pir Panial Range Panial near Qazigund showing distri between Upper Munda (33°32': 75°11'30//) bution of Lower Gondwana, Zewan Series in the east and 1 km west of Lamar and Lower Trias; and Text-fig. 2 shows (33°35'15//: 75°05') in the west (Text geological section and column as seen fig. 1). Several diagonal sloping ridges in Upper Munda. emerge from the Pir Panial Range and The Lower Permian to Jurassic form finally about on the flat terrain of the ations, exposed on the northern ridges Karewa (Pleistocene) formation. The emerging from Pir Panial Range, are diagonal ridges are separated from each part of a broad overfold. The Panial other by the development of a small Trap, the oldest formation in the area of valley formed due to water courses. this report, forms high peaks. This is A number of short notes published succeeded by the Lower Gondwana beds. between 1866 and 1928 by R. L YDEKKER, A three-meter thick pebble bed above C. S. MIDDLEMISS, H. S. BJON and D. N. the Panial Trap is characteristic in this W ADIA of Geological Survey of India area. It suggests probability of hiatus give only an outline of the geology of and change before the sediments of this region of Pir Panial. HAZRA and Lower Gondwana were laid. The Zewan PRASAD (1963), however, reviewed and Series, the second oldest formation is of elaborated the earlier work and supple marine nature. It is rich in bryozoan mented the geology of the region by and brachiopod fauna (Linoproductus, adding more data observed by them. It Spinomarginifera, Leptodus, Protore will not be out of the way to refer tepora, etc.) of Upper Permian age. The he~e the work on the western part of complete succession of this formation is the Pir Panial by W AUlA (1928, p. 251), not seen in any of the sections, all along who reports the occurrence of Pseu the strike of strata. It is due to a re domonotis d. aurita and Pseudomollotis versed fault running between the Lower griesbachi in the upper part of the Zewan Gondwana and this formation; however, Series. He thinks that the presence of summing up all the sections the litho Pseudomonotis indicates nearness of the logical succession can be established as Triassic horizon between which and the Limestone (=Basal limestone; rich in Zewan Series of the type area there is crinoids, corals, shells of brachiopods, a gradual and conformable passage. etc.) succeeded by sandy shales with This zone containing Pseudomonotis may abundance of brachiopods (equivalent to be the zone of 'Mixed fauna' (of TEICHERT Marginifera himalayensis and Spirifer et al., 1970) of the Lower Trias of the rajah Zones). The Zewan Series are Guryul Ravine and represents the lateral closely folded; therefore it is difficult continuity of the Lower Triassic beds to estimate the actual thickness of the of the Guryul Ravine in the Pir Panial formation (thickness given in the Text area, near Qazigund. fig. 2 is the total this;kness of folded sediments). The sandy shales pass into 230 Hari Mohan KAPOOR and Yuji BANDO
o ..
C10 .. ° sw
~ , ~ ,f~ ~~Q" I oq$.~ ,..0" c;~. c, . ,.,vt} ~~ i' ° ~~/ ~' , \ , \ \
H.M. Kapoor
G.. S.I.CN.R.) D.O.No. 906.7-70-XI Text-fig. 2. Geological Section and Column, near Upper Munda, Pir Panjal, near Qazigund, Kashmir. Thicknesses of the Zewan Series and the Lower Trias are not actual but sum of the .folded strata. flaggy shales. spond to the bivalve coquina zone or to· The flaggy shale is the important rock the Ciaraia zone of TEICHERTet ai. (1970). unit. It marks the begining of the It is, however, difficult to say whether Lower Trias•. This bed contain Ciaraia the upper part of the Lower Trias and spp. (C. concentrica Y ABE, C. stachei the Middle Trias were developed in the (BITTNER), ammonoids and also a number area. as the flaggy shales are succeeded 'of Permian brachiopods such as Lino by folded Upper Triassic limestones and productus, Derbya etc;). . These shales in contact between them is inferred to be· this area are purple and very fragile. a strike fault. In Kashmir, biostrati They split along the bedding planes. graphically, the upper part of the Lower The original black colour is rarely seen. Trias is characterised by limestone with The thickness given in the Text-fig. 2 Meekoceras; while the Middle Trias by· is the total thickness of the folded sedi shales and limestones with Ceratite and ments. These shales 'were included by Daonella fauna. The Upper Triassic 'HAZRA and PRASAD (1963) in the Zewan limestones are mostly barren Table 1. Showing stratigraphic sequence in Pir Panjal, Kashmir. Formation Lithology Geological age Holocene Scree, moraines and alluvium Holocene Karewa Clay, lignite, carbonaceous Pleistocene shales, etc . .--- Unconformity-· Jurassic Limestones, sandstones, sandy Lower Jurassic shales with bivalve fossils ------.. -.-? Unconformity--- Upper Triassic Limestone with occassional Upper Trias layers of Spiriferina spp. ------Fault------Lower Triassic Flaggy shales with thin limestone Lower Trias layers. Layers of Claraia and (Lower Scythian) ammonoids in shales ------Conformity------Zewan Series Limestones; argillaceous, Upper Permian calcareous and sandy shales with (? K ungurian-Tartarian) bryozoa, brachiopoda, etc . .------.------Reverse Fault----- Lower Gondwana Seri,es Sandstones, tuffs, pebble layers, Lower Permian sometimes pinkish shales (Upper Artinskian) overlying tuffs. Plant fossils present in tuffs. ------.- ? Unconformi ty----·--- Panjal Trap Mainly basic lava flows Lower Permian In the crests of folded Upper Triassic observed that Clamia which is developed limestones, three bands of the Jurassic in ftaggy shales marks the begining of sediments are present. The Jurassic the Lower Trias. These Claraia-bearing beds are rich in lamellibranch fauna, shales were included in the Zewan Series though a few brachiopods, ammonites by pioneer workers. Recent contri (especially Perisphinctes) and fish re butions by TEICHERT et al. (1970) and mains are also known. NAKAZAWA et al. (1970) in the Guryul The Quaternary geology is of less Rayine ha\'e already shown that the significance for the present work, hence upper part of the Zewan Series is ac not dealt with here. tually Lower Trias and there are many Permian survivors in the lowermost part of the Lower Trias. In thePir Permo-Triassic Boundary Panjal area of Qazigund, though there The lithological and faunal comparison is a little variation in litho-units of the of the Pir Panjal near Qazigund and Zewan Series with that of the Guryul the Guryul Ravine has been indicated Ravine, almost complete faunal zones in the above paragraphs_ The Zewan are developed and likewise the boundary Series marks the close of Permian in between the Permian and Triassic beds Kashmir, but at both places it has been is between sandy shale and ftaggy shale. 232 Hari Mohan KAPOOR and YUj'i BANDO In Pir Panial, only the lower part of the is gradual and conformable. Lower Trias is developed. The charac It is really a matter of great interest teristic ammonoids of the Lowest that a thick succession of the upper Scythian, i. e. Otoceras fauna, could not part of Lower Trias and complete Middle be found in the Pir Panial. There is, Trias is not known in these parts of the however, possibility of finding Otoceras Pir Panial. It is due to the strike fault in the thin limestone layers in the fiaggy which caused elimination of thick strata shales. or due to non deposition of the Many of the Permian forms such as sediments. The problem is open to the Linoproductus, Spinomarginijera, Derbya, future workers; but the present authors Eumorphotis, Etheripecten are occasion support W ADIA'S (1928, p. 252) opinion ally seen in the arenaceous limestone quoted below: "The Triassic develop layers in fiaggy shales. These are as ment near Mandi and Trekana is re sociated with Claraia stachei (BITTNER) stricted to only a small part of the and are restricted only in the lower part Upper Trias, the whole of the Lower of the fiaggy shales. The upper part Trias and Muschelkalk stages, which are of the shale abounds in Claraia con so completely represented in the Vihi centrica Y ABE and ammonoids. Such hills, are totally absent. It is however, faunal distribution is similar to that of more probable that the resulting uncon the Guryul Ravine. Ammonoids and formity between these beds and the pelecypods are usually in separate layers, Permian is not of erosion, but may be but layers containing both are not rare. really due to non-deposition in this The fossils are collected from Upper locality, in that the Upper Trias has Munda (33°32': 75°11'30"), Malidar Gali come to occupy this position by a pro (33°33': 75°09') and Khowurwat Gali gressive overlap on all the lower di (33°35': 75°06'), which show good and vision of the Trias. The Panial area clear exposures. In other areas these forms the southern limit of the marine are either highly weathered or concealed Triassic rocks of the Himalaya and hence under scree. this thinning out of both the Permian Reference about the western part of and Trias is explicable as the natural the Pir Panial has already been made in coastal boundary of marine calcareous . the Introduction. W ADIA (1928, p. 251) sediments at extreme limit of the geo considers that the presence of Pseudo synclinal zone of the central Himalaya." monotis spp. in the Zewan Series in dicates nearness to the Lower Trias, but the present authors feel that the beds Faunal Consideration containing these are lowermost Lower Trias and are equivalent to the fiaggy There is a large collection of ammo shale horizon of eastern Pir Panial. The noids from the localities mentioned in presence of Pseudomonotis spp. in as the above paragraphs. All of them come sociation with Permian forms indicates from fiaggy shale member. The preser a mixed Permo-Triassic fauna in the vation is very poor and fossils are fri area as is known in Guryul Ravine as able. From the collection, a few were well as in the eastern part of the Pir sorted out and only four were recognized Panial. The contact between Permian and are described in detail by BANDO in and Trias in both parts of Pir Panial the next chapter. These are: 627. Lower Trias from Pir Panjal, Kashmir 233 Lytophiceras aff. ptychodes DIENER by the available data. The presence of Hypophiceras? (s. str.) sp. Ophiceras, Meekoceras and. Clypeoceras Ophiceras (s. str.) sp. undoubtedly put them to Lower Trias. Glyptophiceras? sp. The scanty data at far situated places The forms listed above are charac undoubtedly indicate the development teristic of the Ophiceras fauna. These of the Eo-Trias in the eastern Himalaya are comparable with the fossils of the and suggests that a thorough search of Ophiceras fauna of Pastun (Pastannah these beds will prove one day its conti in Traal Valley), Guryul Ravine and nuity and lateral variations of lithogy Spur 3km north of Barus (both in Vihi and faunas .. Valley). The Ophiceras fauna from The probability of its presence is also Past un was described by DIENER (1897, supported by the Lower Triassic beds 1915); who regarded the fauna to be of Burma at Na-Nahkam in the Yunan comparable with the Ophiceras fauna of State. SAHNI (1932, p. 66; 1938, p. 114 Greenland. The fossils of other two and in PASCOE, 1959, pp. 902-3) reports localities are still under study by NA that the interstratified dolomites in a KAZA w A and his collaborators. series of thin bedded argillaceous Besides Kashmir, Ophiceras fauna is limestones and shales contain a rich also known from other parts of Indian fauna apparently ranging from Otoceras Himalayas, with which forms show sim zone (although this genus itself has not ilarity. Most famous are Spiti (HAYDEN, been found) to the Owenitan. Com 1904, VON KRAFFT and DIENER, 1909) ponents of the fauna are Xenaspis and Painkhanda (Kumaon) (DIENER, 1912). carbonaria W AAGEN, Glyptophiceras sp .. DIENER (1912, pp. 30-31) considers that Lytophiceras sp., Vishnuites sp., Owenites the lowermost Eo-Trias of Painkhanda sp., Kashmirites sp., etc. with a number seems to be similar to that of Spiti, in of gastropods and bivalves. Many of both lithology and fauna. Also, the dif the forms (such as Xenaspis) appear to ference between Pir Panjal and these be the Permian survivors in the Lower localities seems to be very small. Trias. The fauna has affinity with the Further east of Kumaon Himalaya Ophiceras fauna of Kashmir, Spiti and there are only a very few records of Kumaon. Eo-Trias. FUCHS (1964, pp. 7-8) reports West of Kashmir, the Ophiceras fauna Lower Triassic limestone in Dolpo region is known from Salt Range, Pakistan of Nepal Himalaya with Meekoceras sp., (SCHINDEWOLF, 1954; KUMMEL and TEI Arpadites sp., Ophiceras sp., etc. In the CHERT. 1966; TEICHERT and KUMMEL, same region, FUCHS (1964, p. 7) has des 1970). SCHINDEWOLF in his paper in cribed Upper Permian beds of Barbung cluded the description of Ophiceras Khala; upper part of which appears to connectens SCHINDEWOLF which was later correspond to Flaggy shale horizon reported by KUMMEL and TEICHERT having the Mixed Permo-Triassic Fauna from a lower bed while working on the (Eo-Trias) of Kashmir. BORDET et ai. details of lower Scythian stratigraphy (1967, pp. 888-889) have also reported and palaeontology. They found this Lower and Middle Scythian sediments species from six inches above the base in Thakkhola region of Nepal Himalaya. of the Kathwai member (Lowest It is difficult, however, to compare them Scythian Formation) of the Mianwali with Kumaon, Spiti or Kashmir Himalaya Formation. Accordingly, KUMMEL (1966) 234 Hari Mohan KAPOOR and Yuji BANDO correlated the Kathwai Member with the studied in the Palaeontological Labora Lowest Scythian (Ophiceras zone) age. tory of Kagawa University by BANDO. Further west, in Afghanistan, FIS All the specimens are preserved in the CHER (1971) also collected Ophiceras Palaeontological Division of the Geo from brown argillaceous limestone beds logical Survey of India in Calcutta. just above the Permo-Triassic boundary The views expressed in the following in Kohe Safi District of Eastern Af pages are of BAN DO. ghanistan. This report was also sub stantiated by ISHII, FISCHER and BANDO (1971) in their report on the Permo Family Ophiceratidae ARTHABER, 1911 Triassic boundary problems in Eastern Genus Ophiceras GRIESBACH, 1880 Afghanistan and occurrence of gyronitid ammonoids from the Kohe Safi area. Subgenus Lytophiceras SPATH, 1930 From the study of the nature of litho facies and presence of numerous vertical Type species: Ophiceras charnunda DIEl':ER, burrows made by suspension feeders at 1897, p. 123, pI. 12, figs. 3a-b. the Permo-Triassic boundary, the above authors derived conclusion that the Lytophiceras aff. ptychodes DIENER Upper Permian calcium carbonate sedi 1897. Ophiceras ptychodes, DIENER, Pa1. In ments were exposed to subaerial denud dica, Ser. XV, 11, p. 120, pI. xi, figs. ation and quick drying under the inter 3, 5, 6. tidal environments, thus causing a break 1915. Ophiceras ptychodes, DIENER, Catalogue, in the Eastern Afghanistan at the p. 213. boundary zone. 1930. Lytophiceras ptychodes, SPATH, Med. It is not beyond scope to refer here om Gr¢nland, Bd. 83, 1, p. 21, pI. iv, the recent work at Arctic Canada figs. 4a-b, pI. v, figs. 3a-b. (TOZER, 1961). where Ophiceras commllne 1934. Lytophiceras ptychodes, SPATH, Cata SPATH with Otoceras boreale SPATH is logue of Fossil Cephalopods, p. 78, pI. i, figs. la-b. reported from the beds near basal part 1935. Lytophiceras aff. Ptychodes, SPATH, of the Blind Fiord Formation in an Med. om Gr¢nland, Bd. 93, no. 2, p. 21, island of Queen Elizabeth Islands be pI. xix, fig. 9. tween Bunde and Bukken Fiords. It is slightly different from Guryul Ravine Description: - Shell laterally com- of Kashmir where Otoceras is known at pressed. and also highly deformed later a later stage though within the Ophiceras ally, with considerable strong falciradiate zone. ribs. Form of venter unknown due to The biostratigraphic significance of poor preservation. Ornamentation of the Ophiceras and Otoceras faunae from shell surface shows characteristic falcoid Kashmir is being studied by one of the radial ribs and striations running from authors (BANDO) and will be published umbilical margin and gradually di elsewhere. minishing toward ventral margin. Height of the last whorl about 1/3 of Systematic Description the diameter of shell; and diameter of the umbilicus a little less than half of The specimens described III detail the diameter of the shell. Width of the were collected by KAPOOR and were shell unknown. 627. Lower T1"ias from Pir Panjal, Kashmir 235 Measurements (in mm)*:- D H I W I U HID I W/H I U/D GSI. 18656 42. 2 1--15-.-6(-8.-6-)-1--=-119.9(11. 5) 0.29 I - I 0.47 ------1-----1------.------1----- 1 DIENER'S ! Lectotype-- 38.8 16.0 8.6 10.9 O. 41 O. 53 O. 28 - D: Diameter of shell, H: Height of last whorl, W: \Vidth of last whorl, U: Diameter of umbilicus. ** DIENER (1897, p. 123, pI. xii, figs. 3a-b), SPATH (1934, p. 77) Remarks:-The specimen described Subgenus Ophiceras SPATH, 1934 'above is highly deformed and compressed Type species: Ophiceras tibeticum, GRIES ·laterally. The ornamentation of the shell BACH, 1880, p. 109, pI. 5, fig. 4. :and the form of the whorl suggest it belongs to Lytophiceras (a subgenus of Ophiceras sp. Ophiceras), not to the genus Glypto· PI. 33, fig. 1 phiceras, which has stronger radial or falcoid ribs from the body whorls to the Description :-Shell rather evolute, jnner whorls of umbilical portion. laterally compressed, with falcoid radial The genus Lytophiceras was considered fine striations. Umbilical shoulders con by SPATH (1934, p. 78) as the transitional siderably acute angled and their wall .form from Ophiceras to Glyptophiceras shallow. Form of venter and sutures for the type specimen from the Ophiceras unknown. bed of Pastun, Kashmir. The author Remarks:-In the generic rank the also agrees with SPATH'S view. present material may be belonged to the Lytophiceras ptychodes DIENER from genus Ophiceras judging from the shell Pastun, Kashmir, resembles with Lyto ornamentation and cross section of the phiceras sakuntala DIENER. Both species whorls. It is really unfortunate that apparently look alike as remarked by the shape of the periphery is not clear SPATH (1934, p. 78). However. in the in this m3.terial. opinion of the present author the two Specifically. the present material is species differ in the ornamentation of comparable with some specimens of shell. Lytophiceras sakuntala has more Ophiceras (Discophiceras). The present feeble and weak falcoid striation than specimen. on the other hand, actually that of L. ptychodes. shows the same type of ornamentation Geological Horizon:-Flaggy shale. of Ophiceras greenlandicum SPA TH Geological Age :-Otoceratan or Early (SPATH, 1930, p. 16, pI. 11, figs. 12a-b; Induan stage of Eo-Trias. Scythian. 1935, p. 15, pI. 11. figs. 1a-b, pI. 5, figs. Locality:-Khowurwat Gali, Pir Panjal 5a-b, pI. 10, figs. 1a-b, pI. 19, figs. 11a Range, near Qazigund, Kashmir, India. b), but high deformation of this speci Regist. No. :-GSI (Geological Sun-ey men and missing septa unabled the ·of India) 18651, 18656 author to identify with the boreal type Collector :-H. M. KAPOOR. illustrated by SPATH. 236 Hari Mohan KAPOOR and Yuji BANDO Geological Horizon:-Flaggy shale. Glyptophiceras sp. Geological Age :-Otoceratan or Early PI. 33, fig. 5 Induan stage of Eo-Trias. Scythian. Locality:-Malidar Gali, Pir Panial, Description:-Whorls evolute, laterally Kashmir, India. compressed, with wide umbilicus. Shell Regist. No.:-GSI 18652 surface ornamented with widely spaced Collector:-H. M. KAPOOR. radial ribs, which are most prominent at one-third height of flanks and diminish toward umbilical and ventral margin. On surface of umbilical whorls orna Genus Glyptophiceras SPATH, 1930 mentation by faint radial folds become gradually indistinct in the inner whorls. Subgenus Glyptophiceras TRUMPY, 1969 Outer whorl overlaps about one-third Type species: Glyptophiceras aequicostatum height of inner whorl. There are 12-13 (DIDIER), DIEXER, 1913, p. 6, pI. ii, radial ribs and faint sigmoidal striations figs. lOa-b. on shell surface of half part of outer whorl. Suture unknown. Measurements (in mm):- D H W U HID W/H U/D GSI. 18655 38.0? 12.5 18. 7 0.33 0.49 Remarks:-The present specimen is s. str. completely crushed, so that the specific Hsu (1936-37) has described Ophiceras identification is difficult. As to the from the Otoceras bed of the Chainglung characteristic ribbing or shell ornamen limestone (Lower Trias at Lungtan in tation in the outer whorl rather resemble Kiangsu) and Ophiceras? sp. from the those of the genus Glyptophiceras and Teyeh limestone (Lower Trias at Paoan Ophiceras s. str. The present author near Teyeh in Hupei), both in South (BANDa) included subgenus Metophiceras China. These Ophiceras ammonoids are (SPATH, 1935, p. 34, type species: Meto considerably crushed and secondarily phiceras subdemissum SPATH) in the deformed like the Pir Panial specimens. genus Ophiceras s. str. (BANDa, 1973). The shell ornamentation in the illus' Essentially, "Metophiceras" is a tran tration by Hsu (1936-37, p. 319, pI. 11, sitional form between the Glyptophiceras fig. 3, not fig. 4), in comparison with Pir and Ophiceras in the shell form, but it Panial specimen, suggests that these be is better to be included in the Ophiceras included in Ophiceras s. str. Explanation of ·Plate 32 Ophiceras fauna in the fiaggy shale. Locality: Khowrwat Goli, Pir Panjal Range, near Qazigund, Kashmir. Age: Otoceratan or Lower Induan stage, early Eo· Trias. Collector: H. M. Kapoor. Figured Specimen No. GSI. 18656 x 1.2 KAPOOR and BANDO: Lowe?" Trias from Pir Panjal, Kashmir Plate 32 627. Lower Trias from Pir Panjal, Kashmir 237 TRDMPY (1969, pp. 93, 94, pI. 1, figs. could be made though some dificulty, 4-6), in his descrition of a new species but nothing could be ascertained on of "Metophiceras", i. e. "M." U;egeneri species due to reasons given above. TRDMPY (from the Lower Trias of The ornamentation of the outer whorl jameson Land in East Greenland), has and a part of umbilicus of the present stated (op. cit., p. 93) that the genus specimen shows its similarity to that of " Metophiceras" is much closer to Glypto Glyptophiceras and more closely to sub phiceras than to Ophiceras s. str., es genus HYPophiceras TRDMPY (1969, p. 89). pecially iIi the shell sculpture of the Geological Horizon: - Flaggy shale. outer whorl and cross section of the Geological Age :-Otoceratan or Early whorl, but the ornamentation of umbi Induan stages of Early Eo·Trias. lical shell has a remarkable difference Locality :-Khowurwat Gali, Pir Panjal, from that of Glyptophiceras. near Qazigund. Kashmir, India. Geological Horizon:-Flaggy shale. Regist. No. :-GSI. 18654, 18655. Geological Age :-Otoceratan or Lower Collector:-H. M. KAPOOR. Induan stages of Early Eo-Trias. Locality:-Khowurwat Gali, Pir Panjal Acknowledgments· Range, near Qazigund, Kashmir, India. Regist. No.:-GSI. 18655 The authors would like to record their Collector :-H. M. KAPOOR. sincere gratitude to the Governments of India and japan, for their kind support, cooperation and collaboration throughout Subgenus HYPophiceras TRDMPY, 1969 the work; without which this work Type species: Glyptophiceras triviale SPATH, would not have been successful. The 1935, p. 47, pI. 7, fig. 2. present paper is one of the series of the Indo- japanese collaboration in Geological HYPophiceras? sp. Sciences. PI. 33, figs. 2, 3 The authors are especially indebted to Mr. M. S. BALASUNDARAM, Director Description :-Shell evolute, laterally General, Geological Survey of India; compressed, with shallow umbilicus and Professor K. NAKAZAWA of the Depart narrow venter. Shell surface ornamented ment of Geology, Kyoto University, ja with falcoid radial fine ribs which are pan; Dr. M. K. ROYCHOWDHURY, Duputy finer on body whorl than on inner whorls. Director General of Northern Region, Ribs most prominent at middle height India; Dr. M. V. A. SASTRY, Director of portion. on the flanks and gradually Palaeontological Division, Geological diminish toward ventral and umbilical Survey of India; Dr. K. ISHII of Osaka margin. Surface on umbilical whorls City University, japan, and Mr. ]. P. ornamented with coarsely radial projec SRIVASTAVA, Palaeontologist-in-charge, tions, but not on ribs and more obscure Northern Region, Geological Survey of than those of outer volution. India, for their guidance, cooperation Remarks:-The specimen at hand is and providing facilities which enabled incomplete; especially the inner whorls the authors to excute the project on the are not clear and the ornamentation is Permo-Triassic boundary in Kashmir poor; it is also highly deformed later Himalaya. Lastly, but not the least, ally. However, generic identification help and useful suggestion of their 238 Hari Mohan KAPOOR and Yuji BANDO colleagues Drs. D. SHIMIZU, Y. NOGAMI, layas. Rec. Ceo!. Surv~ India, 13, pp. 94- T. TOKUOKA and S. NORD A of Kyoto 115, pis. 1-4. HAYDEN, H. H. (1904): Geology of Spiti. University and Dr. T. MAEGOYA of Kyoto University of Industry are duly ack Mem. Ceol. Surv. India, 36(1). HAZRA, P. C. and PRASAD, K. N. (1963): A nowledged. note on the stratigraphy of the Banihal Region, Pir Panjal Range, Kashmir. References Rec. Ceo!. Surv. India, 93(2), pp. 121-128. Hsu, Te-You (1936-37): Contribution to the BANDO, Y. (1973): On the Otoceratidae and marine Lower Triassic fauna of southern Ophiceratidae. Sci. Rep. Tohoku Univ., China. Bull. Ceoi. Soc. China, 16, pp. 2nd ser. (Geo!.), Spec. Vo!. No.6 (Hatai 303-334, pis. 1-4. Mem. Vo!.), pp. 337-351, pis. 38-39. ISHII, K., FISCHER, J. and BANDO, Y. (1971) : BORDET, P., COLCHEN, M., LEFORT, P., Notes on the Permian Triassic boundary MOUTERDE, R. and REMY, M. (1967): in Eastern Afghanistan. Jour. Ceosci., Donnes nouvelles sur la geologie de la Osaka City Univ., 14, pp. 1-18, pis. 1-3. Thakkhola (Himalaya du Nepal). Bull. KRAFFT, A. VON and DIENER, C. (1909): Soc. geol. France. 9(7), pp. 885-896. Himalayan fossils. Lower Triassic DIE1'ER, C. (1897): Himalayan fossils. The Cephalopoda from Spiti, Malla Johar, and Cephalopoda of the Lower Trias. Pa/. Byans. Pa!. Indica, Ser. 15, 6, pp. 1-186, Indica, Ser. 15, 2, pp. 1-181, pIs. 1-25. pis. 1-31. -- (1912): The Trias of the Himalayas. KUMMEL, B. (1966): The Lower Triassic Mem. Ceo/. Surv. India, 36(3), pp. 1-159. formation of the Salt Range and Trans -- (1913): Triassic fauna of Kashmir. Indus Ranges, West Pakistan. BUll. Mus. Pal. Indica, (N. S.) 5(1), pp. 1-133, pis. Compo Zool., Harvard Univ., 134(10), pp. 1-15. 361-420, pis. 1-4. -- (1915): 'Fossilium Catalogus. 1, pt. 8. KUM?vIEL, B. and TEICHERT, C. (1966): Re Cephalopoda triadica '. pp. 1-369. lations between the Permian and Triassic FISCHER, J. (1971): Zur Geologie des Kohe formations in the Salt Range and Trans Safi bei Kabul (Afghanistan). N. Jb. Indus Ranges, West Pakistan. N. Jb. Ceo!. Paliiont. Abh., 139, pp. 267-315. Ceol. Palliont. Abh., 125, pp. 297-333, pis. FUCHS, G. R. (1964): Note on the geology 27-28. of the Palaeozoics and Mesozoics of the MIDDLE~IISS, C. S. (1910): A revision of Dolpo Region (Nepal Himalaya). Sand. Silurian-Trias sequence in Kashmir. Rec. Verhand. Ceol. Bund. 1, pp. 6-15. Ceo!. Surv. India., 40, pp. 206-268. GRIESBACH, C. L. (1880): Palaeontological NAKAZAWA, K., KAPOOR, H. M., ISHII, K., notes on the Lower Trias of the Hima- BA:'\DO, Y., MAEGOYA, Y., SHIMIZU, D., Explanation of Plate 33 All figures x 1.2. Figure 1 from Malidar Gali and figures 2-5 from Khowurwat Gali, Pir Panjal, near Qazigund, Kashmir. Age inferred for all ammonoid bearing horizons is the Otoceratan or Lower Induan stages of early Eo-Trias. Collector: H. M. KAPOOR. Fig: 1. Ophiceras sp. GSI. 18652; from Ophiceras bed. Figs. 2, 3. Hypophiceras? sp. GSI. 18654, 18655 Fig. 4. Lytophiceras sp. (aff. L. ptychodes DIENER) GSI. 18651 Fig. 5. Ciyptophiceras sp. GSI. 18653 (All specimens preserved in the Palaeontological Division of the Geological Survey of India) KAPOOR and BANDO : LoweT T1·ias !1"Om Pir Panjal, KashrniT Plate 33 627. Lower Trias from Pir Pan:jal, Kashmir 239 NOGAMI, Y., TOKUOKA, T. and NOHDA, invertebrate fauna of East Greenland. S. (1970): Preliminary Report on the Med. om Gn/mland, 98(2), pp. 1-115, pis. Permo-Trias of Kashmir. Mem. Fac. Sci., 1-25. Kyoto Univ., Ser. Geol. & Min., 31(2), TEICHERT, C., KUMMEL, B. and KAPOOR, pp. 163-172, pis. 28-29. H. M. (1970): Mixed Permian-Triassic PASCOE, E. H. (1959): A manual of the fauna, Guryul Ravine, Kashmir. Science, geology of India and Burma. 2., pp. 902- (3915), pp. 174-175. 905. TEICHERT, C. and KUl\'IMEL, B. (1970): SAHNI, M. R. (1932): General report of the Stratigraphy and palaeontology of the geological survey of India for the year. Permian-Triassic boundary beds, Salt 1951. Rec. Geol. Surv. India. p. 66. Range and Trans Indus Ranges, West -- (1938): Discovery of the Lower Trias Pakistan. Strat. Bound. Problems: Perm. at Na-hkam, Northern Shan States, and & Trias of West Pakistan. Univ. Kansas, description of the fauna. (Abstract). Dept. Geol. Spec. Pub., 4, pp. 2-110. Proc. 25th Ind. Sci. Congr., Calcutta, pt. TOZER, E. T. (1961): Triassic stratigraphy 3, p. 114. and faunas, Queen Elizabeth Islands, SCHlNDEWOLF, O. H. (1954): tiber die Arctic Archipelago. Mem. Geol. Surv. Fundenwende vom Palaozoikum zum Canada, 316, pp. 1-116, pis. 2-30. Mesozoikum. Zeitsch. Deutsch. Geol. TROMPY, R. (1969): Lower Triassic am Ges., 105, pp. 154-183. monites from Jameson .Land (East Green SPATH, L.F. (1930): The Eo-Triassic In land). Med. om Gn/mland, 168, (2), pp. vertebrate Fauna of East Greenland. 81-116, pis. 1-2. Med. om Gr¢mland, 85, pp. 1-90, pis. 1-12. W ADIA, D. N. (1928): The geology of Poonch -- (1934): Catalogue of fossil Cephalopoda State (Kashmir) and adjacent portions in the British Museum (Natural History). of the Punjab. Mem. Geol. Surv. India, Part 4, the Ammonoidea of the Trias 15(2), pp. 248-255. (1). Brit. Mus. pp. 1-521, pis. 1-18. -- (1957): Geology of India, Macmillan & -- (1935): Additions to the Eo-triassic Co. Ltd. Trans. Proc. Palaeont. Soc. Japan, N. S., No. 93, pp. 240-248, pI. 34, April 20, 1974 628. A NEW SPECIES OF INOCERAMUS FROM THE SHIMANTOGA WA GROUP OF SOUTH SHIKOKU* MASAYUKINODA Wasada Junior High School, Oita 1!!,lffill19J;-j'JlI:'¥-Hillrd:: I)iit:l', L t::.1 / t;7 J." ;J.O)Wlifill::.--::>v,-C: ~117J-j-)II~JflllrlpGI;t, Hi k f:. Bill!~ltl.l;n[Hf G~c -C \" ~ i.J:, tJ:E*t':~ <0)AA:r.~'2~ L- -C \" ~ 0 .:to)t:jr(:,r41 i1tit[i!(;/i ::;::0) ®:1Jf:' 3tit-t ~ rXIJttM Uli{f!Ji) ;]' G:Itli!I~fiT[i.J'O) ifiJj* [(I)~ltl.li.J; t*1,{£ i:' ~c, 1T~)tJ:~ft tk:7EO)jffli.J;1~ G ht::. 0) c':ltWi f:. --::>\' '-c.:to) ~ft '21f* -J- ~, '*- t::., illi:+', L- t::.1 / t ;7 J.,,;J. O)rl!l:'fH;'i'~UJ: 1fMJl '2 t --::> t 0)i.J: ~.2 Ii) G~l.,~ 0)-(', C. ::::'1:.WIiHU:: L -c)11< L ;b:/:H:t-C.:to) Wn~~'2~~-t~, H m • ~ "Misho formation", one of the Shimanto Introduction gawa group and the paleontological The apparently thick deposits. gener description on a new species of Ino ally called the Shimantogawa group, are ceramus from that formation, and do extensively developed in the southern not intend to give comprehensive com terrain of the Outer Zone of Southwest ments on the classification of the Ino Japan. The group consists mainly of ceramidae. Only a short remark is shale and sandstone in various grades given in connections with the allied of thickness and has occasional' inter species. beds or lentils of conglomerate, basaltic Before going further, I wish to ac lava, tuffite, chert and limestone. knowledge my indebtedness to several Recently the paleontological study of persons for their supporting of my this group has been carried out on mol work. My gratitude is first due to Pro luscan fossils found at some limited fessor Tatsuro MATSUMOTO of Kyushu places and offered important biostrati University for much valuable ad vices graphical data, as those descrived by and kind supervision of this work. MATSUMOTO, KIMURA and KATTO (1952), Thanks are to Dr. Itaru HAY AMI for KATTO and OZAKI (1956), NAGAI, NAKA his kindness to the laboratory work and NO, YOSHIDA and OHOTSUKA (1962), the bibliographic survey, to Professor NAKAI and HADA (1966), HAY AMI and Kozo NAGAI of Ehime University and KAWASAWA (1967), HASHIMOTO (1967), Professor Michitoshi MIY AHISA of Ehime MATSUMOTO and HIRATA (1969) and University for their favours to supply MOROZUMI (1970). me with a number of specimens and Since 1969, I have examined the Ino the valuable references. Finally my ceramids from this group. In this paper, gratitude is dedicated to Mr. Yasushi I deal with the geological age of the YUASA, Mr. Masaharu SEKI and Dr. Hakuyu OKADA who have stimulated * Received June 8, 1973: read Oct. 28, through Prof. MATSUMOTO the present 1972 at Matsuyama. study with valuable specimens of their 240 628. Inoceram~ts from Shimantogawa Group 241 collections. phonetic confusion that the "undiffer entiated Mesozoic" was called "misho Note on Geology Mesozoic" in Japanese. The geology of this district is shown The "Misho formation" is exposed on in Fig. 1. The formation mainly consist the northern coast of Sukumo Bay, of sandstone, shale and their alternation. which is situated in the southwestern They are broadly arcuate in strike, part of the Shimanto belt of South showing a trend of NEE-SWW, E-W Shikoku. The northern margin is de and NWW -SEE, and divided into several marcated from another unnamed for blocks by transverse faults. The geo mation of the Shimantogawa group by logic structure is generally complicate, fault, and the east area also bounded with overturned strata and fractured by fault to the Arioka formation of the zones. Sandstone in various grades of Upper Cretaceous developing in the coarseness is mainly distributed in the Nakasuji-Rift-Valley. The name of southern part of the mapped area. Each this formation was proposed by NAGAI sandstone bed is commonly more than and others (1962). However, OKADA 20 em in thickness, and in some part (1971) disapproves the name of the thin layers of mudstone are frequently "Misho formation" by the reason of inserted. In some other part sandstone EXPLANATION Allvial depoaila t:::::i000000 Ttrrxial • .cIiment. F'Lllt ic ,..iI locallt)' 10.. SCALE 114 Text-fig. 1. Geological Map of the Johen area. 242 Masayuki NODA and mudstone are alternateq. The northern part is occupied by mudstone with subordinate intercalation of sand stone of .various thickness. Although the thickness of this formation is not precisely known, because of complicated structure, it is divided into two mem bers, of which the Lower member is probably represented by the sandstone of the southern part. Molluscan fossils occur in the mud stone bed near Nishi, Johen Town and Text-fig. 2. Locality Map. Nakanokawa and Naro, Ipponmatsu Town, Minamiuwa County, Ehime Prefec tive indicator of the Lower Hetonaian, ture. The stratigraphic position of the and Maorites sp. in the collection of fossiliferous bed is probably assigned to YUASA from the same bed of Ippon the middle part of the Upper member matsu. On the paleontological evidence of this formation. mentioned above. the fossiliferous bed The faunal list is as follows: of this formation is probably referred Inoceramus balticus toyajoanus NAGAO to the Lower Hetonaian, i. e. Campanian and MATSUMOTO in term of international scale. Inoceramus balticus subsp. Inoceramus schmidti MICHAEL Paleontological Description Iuoceramus yuasai n. sp. Maolites sp. Family Inoceramidae GIEBEL, 1852 Ammonites gen. et sp. indet. According to MATSUMOTO in T AKAI Genus Inoceramus J. SOWERBY, 1814 and MATSUMOTO (1961), I. balticus toya Inoceramus yuasai n. sp. joanus probably indicates the Lower. Hetonaian. NAGAI et al. (1962) reported PI. 34, figs. 1-10 Inoceramus balticus toyajoanus from 1962. Inoceramus sp., NAGAI et aI., Mem. Naro, Ipponmatsu Town, and considered Ehime Univ., Sec. 2, Ser. D, vol. 4, the geological age of this formation as no. 3, p. 3, pI. 1, fig. 2. the Upper Urakawan to the Lower Hetonain (approximately Upper Santo Material:-Holotype: GK. H6823. (PI. nian to Campanian), and they referred 34,fig. 1) internal mould of left valve the flat large specimen (see NAGAI et from Nakanokawa, Ipponmatsu Town, al. 1962, PI. 1, fig. 3) to one of I. balticus Minamiuwa County, Ehime Prefecture subsp. Now I am examining on the (coli. Y. YUASA). Paratypes: GK. H6824, chronological change of morphology of (PI. 34, fig. 5), internal mould of right Upper Cretaceous Inoceramus. Thus, I valve, in the same rock as the holotype. put off, at present, the subspecific deter GK. H6826 (PI. 34, fig. 3), internal mould mination of that specimen, which will of right valve from the type locality be proposed in a separate paper. Fur (colI. Y. YUASA). GK. H6831 (PI. 34, fig. thermore, MATSUMOTO (personal infor 4), external mould of left valve (colI. M. mation) identified I. schmidti, an effec- SEKI), GK. H8005 (PI. 34, fig. 9), internal 628. Inoceramus from Shimantogawa Group 243 mould of right valve, GK. H8004 (PI. 3, and gradually becoming higher with fig. 7), and GK. H8006 (PI. ~, fig. 2a, 2b), growth, resulting in the outline slightly internal moulds of left valve from Nishi, higher than long in the left valve and lohen Town, Minamiuwa County, Ehime as long a,s high in the right one. Prefecture (colI. M. NOD A). Repository: Antero-dorsal margin moderate in Department of Geology, Kyushu Univer length and straight or slightly concave, sity. There are many other specimens anterior margin broadly arcuate passing in NODA's private collection. gradually to the narrowly rounded ven SPecific Characters :-Shell small to tral margin and then to the more medium in size, probably subequivalve broadly curved postero-ventral one, or slightly inequivalve, inequilateral, which is in turn bent abruptly to the moderately inflated from anterior to moderately long and nearly straight posterior and from umbo to ventral ex posterior margin. The angle between tremity, with an abrupt change in· com the posterior margin and the hinge-line vexity along the growth axis. Antero about 130°. dorsal part steep or perpendicular to Surface ornamented with low, narrow valve plane, postro-dorsal part abruptly and sharp concentric ribs which are flattened to wing-like area without sharp regular in strength and distance. Inter boundary. Hinge-line straight and fairly spaces comparatively broad and concave. long, about two thirds of the shell Two or three round-topped radial folds length. The growth axis gently concave run from the umbonal part to the an to the anterior. Umbo terminal, con terior and also to ,the postero-ventral siderably inflated; left one more pro extremity. They vary in strength and minent than the right, rising above the stage of appearance. In some specimens hinge-line. Beak angle about 800, apical the radial folds are very weakened, only angle slightly larger than a right angle. showing abrupt bending in concentric Small individuals, less than 10 mm in ribs. growth axis, slightly longer than high, Measurements :-- Table 1. Dimension in mm. Specimen* H L h I I hll HL I I GK. H6823* holotype, internal mould of LV. 36 25 30 27 1.1 15 GK. H6826* paratype, internal mould of RV. 27 27 26 26 1.0 20 GK. H6831 paratype, external mould of LV. 58 52 55 49 1.1 29 GK. H8002 paratype, internal mould of LV. 17 11 16 14 1.1 7 GK. H8005* paratype, internal mould of RV. 29 24 28 25 1.1 - GK. H8006* paratype, internal mould of LV. 34 34 33 33 1.0 - * Less deformed specimen. . L y,: left valve, RV: right valve, H: maximum dimension along the growth axis, L: maximum dimension along a line perpendicular to H, h: height; measured perpendi cular to the hinge-line, I: length; measured parallel to the hinge-line, h/l: proportion of height to length, HL: length of the hinge-line. 244 Masayuki NODA Table 2. Measurement of 'angle. Specimen IX f3 T 0 GK. H6823, holotype 95- 80° 130° 60° GK. H6826, para type 95° 80° 130° 60° GK. H8001 95° 80° 130° 55° IX: apical angle between hinge-line and.anJeriq.r IJ?':lrgin. f3: beak angle of umbonal inflation. ' T: postro-dorsal angle between hinge·line and posterior margin. 0: obliquity, the angle between hinge-line and the line from umbo to ventral extremity. Table 3. Change of obliquity with growth. length of growth axis in mm. SpeCimen 5 10 15 20 25 30 35 GK. H6823 35° 40° 47° 50° 56° 56° 60° GK. H6831. ' - 50° 57° 60° 60° 62° 67° GK. H8007 35° 48° 60° 70° - - - Remarks :-Only four specimens (GK. tion. The specimen of GK. H8006 is H6823, GK. H6826; GK. H8005 and GK. comparable to a certain form of Ino H8006) are fairly well preserved show· ceramus inconstans (WOODS, 1912a, p. ing the original outline, the shell con 285-291, pI. 51, figs. 2a, 4a; 1912b; p. 14, vexity and the surface ornamentation. text-figs. 69, 70), in abrupt change of Many other specimens are more or less convexity and curvature of concentric modified by secondary deformation, ribs, but differs from that form in its therefore, the marginal outline, the con less convexity and more clearly de vexity and the proportion of hl1 are veloped concentric folds, as well as its apparently varied. GeneralIy details of radial ornament. the surface ornamentation are better Inoceramus mihoensis MATSUMOTO, impressed on the external mould (e. g. from the upper part of the Lower Ura- GK. H6831). 'The concentric ribs and 'kawan (K5a), (approximately Upper radial folds are variable in strength and Coniacian) of Saghalien, Hokkaido and shape of cross-section, although appar Kyushu, is also similar to the present ently varied state sometimes occurs species in in~Cjuivalveness and abrupt owing to the secondary deformation. change of convexity along the growth In spite of the above situation, from axis but the former is distinguished the synthetic judgement of available from the latter in its large size, absence specimens, the distinctive specific of the posterior' wing-like area, curva characters are recognized as above. ture of the concentric ribs and absence Comparison: - Inoceramus inconstans of the radial ornamentation. WOODS from the Upper Chalk of Eng According to WOODS (WOODS, 1917), land, shows' considerable' variation hi' Inoceramus australis WObDS (WOODS, .'; ".. ( . '::. . margmaloutline, shell ,convexity, pro- 1917, p.27, 28, pI. 12, figs. 17-19; pI. 13, portion of hl1 and surface ornamenta- figs. 1-3), from the Campanian of the 628. Inoceram1LS from Shimantogawa Gro1Lp 245 Amuri group of New Zealand, is allied to Mr. Y. YUASA who provided through to Inoceramus inconstans. It is also Prof. T. MATSUMOTO valuable specimens somewhat allied to the present species of his collection for this study. in abrupt change of convexity but dis Consideration :-Cox (1969), (in MOORE criminated from the latter in large pro ed., p. 317) set up subgenus "Cremno portion of hl1 and absence of the radial ceramus" (=Cephaloceramus HEINTZ, folds. 1932) for the species which are charac Inoceramus (Cordiceramus) brancoi terized by subequivalve or inequivalve formis SEITZ (SEITZ, 1961, p.15 9-163, pI. shell, slight or moderate obliquity, 13, fig. 4, pI. 14, figs. 1-3) from the Mid abrupt change of convexity along the dle to Upper Santonian of northwest growth axis and absence of narrow Germany, also closely resembles the postero-dorsal wing, and designated present species in abrupt changes of Inoceramus inconstans WOODS as its the shell convexity, presence of the type species. posterior wing-like area and also pre Regardless of the presence or the sence of the radial ornamentation, but absence of radial folds, the essential differ from the latter in larger apical characters of inequivalveness and abrupt angle, larger obliquity and less propor change of shell convexity are in com tion of hll. mon between Cremnoceramus spp. and NAGAI et a!. (1962) regarded that the Inoceramus yuasai. This may suggest present species somewhat resembles some connections between them. Al Inoceramus balticus BOHM and the allies though Inoceramus inconstans. is not from the Upper Urakawan to the Upper found in Japan, it is said to be very Hetonaian (approximately Santonian to persistent ranging from the Upper Maestrichitian). Their material, how Turonian· . to the Upper Campanian. ever, as they explained, is a single im Furthermore, as WOODS (1912b) himself perfect specimen, which seems to be has already admitted, the very variable specifically indistinguishable from one I. inconstans has been considered as of the present specimens (GK. H8005). an ancester which gave rise to many The present species is apparently other species. Inoceramus mihoensis similar to Inoceramus subsulcatus WIL from the upper part of the Lower Ura SHIRE (1896) (WOODS, 1911, p. 268, pI. 42, kawan (K5a) (approximately Upper figs. 5, 6), from the Upper Gault of Eng Coniacian) is regarded by MATSUMOTO land, in the inequivalveness, develop as . a lateral off-shoot from the main ment of the radial folds which vary in stock of the group of 1. inconstans. In number, shape of cross-section and the essential characteristics mentioned stage of appearance, but distinctly dif above, I. mihoensis is also similar to the fers from the latter in its less promi present species, but the available speci nent umbo, less convexity, presence of mens, are insufficient for linking strati wing-like area, more strongly developed graphically these two species. concentric ribs and anteriorly curved Inoceramus australis, from the Cam growth axis. panian of New Zealand, is probably To sum up, the present species is not allied to I. inconstans, as WOODS (1917) identical with any previously described has mentioned, but I consider that there species. Therefore, it is described under is more intimate relation in morphology a new specific name which is dedicated between I. mihoensis and the present 246. Masayuki NODA species than that of I. australis and the HASHIMOTO, K. (HIRATA, M. ed.), (1967): present species. The Geology of Tosa. Rep. Hirata Geol. SEITZ (1961) has pointed out that the Inst. Kochi Pref., p. 1-109 (in Japanese). immature form of Cremnoceramus is HAYAMI, 1. and KAWASAWA,. K. (1967): Some Lower Cretaceous Bivalves from similar to that of Heanlainia (=Cordi the Shimantogawa group of South Shi ceramus HEINTZ, 1932) and gradually koku. Trans. Proc. Palaeont. Soc. Japan, differentiates from the latter with N. S. (66). p. 73-82, pI. 9. growth. It seems to suggest the inti KATTO, J. and OZAKI, H. (1956): Fossil mate connection between the two sub _ Solemya found from the undivided Meso genera. Regardless of the geographical zoic complex of southern Shikoku. Res. distance, Inoceramus (Cordiceramus) Rept. Kochi Univ., vol. 5, no. 10, p. 1-3, brancoifonnis SEITZ from the Middle to pI. 1. Upper Santonian of northwest Germany, KATTO, J. et al. (1961): Geological and may be possible to link morphologically Mineralogical Map of Kochi Prefecture and stratigraphically the present species of scale 1: 200 ,000 and its explanatory text, p. 56-90 (in Japanese). with Inoceramus (Cremnoceramus) incon MATSUMOTO, T. (ed.), (1954): The Cre stans WOODS. taceous system in the japanese Islands. To sum up, in view of the above dis xiv+324 p., 36 pis. Japan Soc. Promot. cussions, it is more reasonable to con Sci., Ueno, Tokyo. sider that the present species is probably -- (1959): Zonation of the Upper Cre derived from some forms of I. (Cremno taceous in Japan. Mem. Fac. Sci., Kyu ceramus) inconstans. shu Univ., D, vol. 9, no. 2, p. 55-93. Occurrence:-Rather crowded in the -- (1969): Study on the Cretaceous Am black shale of the presumably middle monite of Circum-Pacific region. japanese part of the Upper member of the "Misho Scientific Monthly, vol. 22, no. 6, p. 7-17 (in Japanese). formation". Locality MS201; Nakano MATSUMOTO, T. and HIRATA, M. (1969): kawa, Ipponmatsu Town, Minamiuwa A new ammonite from the Shimanto County, Ehime Prefecture, location, gawa group of Shikoku. Trans. Proc. Long. 132°37'52"E, Lat. 32°57'04"N. Loc Palaeont. Soc. japan, N. S. (76), p. 177- ality MS202; Nishi, lohen Town, Mina 184, pI. 20. miuwa County, Ehime Pref., location, MATSUMOTO, T., KIMURA, T. and KATTO, Long. 132°36'37"E, Lat. 32°56'57"N. J. (1952): Discovery of Cretaceous am monites from the undivided Mesozoic NODA and TASHIRO (1973) reported the complex of Shikoku, Japan. Mem. Fac. present species as Inoceramus n. sp. (see Sci., Kyushu Univ., D, vol. 3, no. 4, p. NODA and TASHIRO, p. 494) from the basal 179-186. part of the Izumi group at Dogo-Himezuka, MOORE, R. (ed.), (1969): Treatise on In Matsuyama City, associated with I. schmidti vertebrate Paleontology, (N), Mollusca 6, and numerous species of Campanian (1 of 3), p. 314-321, Geol. Soc. America, pelecypods. Loc. IMI0l, location, Long. Univ. Kansas Press. 132°51'00"E, Lat. 33°50'42"N. MOROZUMI, Y. (1970): Upper Cretaceous Inoceramus from the Shimanto belt of References Cited the Kii Peninsula. Bull. Osaka Museum Nat. Hist., no. 23, p. 19-24, pis. 2-4. Ehime Prefecture (1967): Geological Map of NAGAO, T. and MATSUMOTO, T. (1939,1940) : Ehime Prefecture of scale 1: 100 ,000 and A monograph of the Cretaceous Inocer its explanatory text, p. 1-182 (in Jap<,lnese). amus of Japan. Parts I and II. jour. Fac. 628. Inoceramus from Shimantogawa Group 247 Sci., Hokkaido Imp. Univ., Ser. 4, vol. 4, 75-85 (in Japanese with English abstract). nos. 3-4, p. 241-299, pis. 23-34, vol. 6, SUZUKI, T. (1938): Geological Map of Suku no. 1, p. 1-64, pis. 1-22. mo Sheet of scale 1: 75,000 and its ex NAGAI, K., NAKANO, M., YOSHIDA, M. and planatory text. Geol. Surv. Japan (in OHOTSUKA, F. (1962): The Inoceramids, Japanese) . discovered from the Shimantogawa group SEITZ, O. (1961): Die Inoceramen des San of Ehime Prefecture, Shikoku. Mem. ton von Nordwest-deutschland. Beih. Ehime Univ., Sec. II, Ser. D, vol. 4, no. Geol. Jb., vol. 46, p. 1-186, pis. 1-15. 3, p. 1-7, pI. l. TAKAI, T. and MATSUMOTO, T. (1961): Cre NAGAI, K., HORIKOSHI, K., MIYAHISA, M., taceous-Tertiary unconformity on Naga KASHIMA, N. and HAGA, Y. (1967): shima, Southwest Kyushu. Mem. Fac. Geological Map of Ehime Prefecture of Sci. Kyushu Univ., D, vol. 11, no. 2, p. scale 1: 200,000 and its exPlanatory text, 257-278, pis. 11-12. p. 1-80, (in Japanese). Tomoeya, Ma TAKAI, F., MATSUMOTO, T. and TORIYAMA, tsuyama. R. (ed.) (1963): Geology of Japan. p. NAKAI, 1. and HADA, S. (1966): Discovery 114-117, Univ. Tokyo Press. of Aptian ammonites from the Shimanto WOODS, H. (1911, 1912a): A monograph of Terrain, western Shikoku. Trans. Proc. the Cretaceous Lamellibranchia. 2, part Palaeont. Soc. japan, N. S. (62), p. 234- 7, (1911), part 8, (1912), Inoceramus. 250, pis. 29, 30. Palaeontgr. Soc. London. NODA, M. and TASHIRO, M. (1973): The -- (1912b): The evolution of Inoceramus fauna from Dogo-Himezuka, Matsuyama in the Cretaceous Period. Quat. Jour. City and its stratigraphic significance. Geo!. Soc. London, vol. 68, p. 1-20. Jour. Geol. Soc. Japan, vol. 79, no. 7, -- (1917): The Cretaceous fauna of the p. 493-495. Northeastern part of the South Island of 'OKADA, H. (1971): A pattern of sedimenta New Zealand. Palaeont Bull. no. 4, p. tion in clastic sediments in geosyn 1-41, pis. 1-20. clines. Mem. Geol. Soc. Japan, no. 6, p. Dogo-Himezuka ill 'if;: ftil ~ Nakasuji !f1 iltJ :ft Ipponmatsu ;$: r·J.,. Naro 70 JElJ Johen !J&' ill Nishi lI§ Minamiuwa ri1 + fll Sukumo ill O§ Nakanokawa !f1 / ) II 248. Masayuki NODA Explanation of Plate 34 Inoceramus yuasai n. sp. Fig. 1. GK. H6823, holotype, internal mould of left valve. xL 3. Loc. MS201, Nakanokawa, Ipponmatsu Town, Minamiuwa County, Ehime Prefecture (colI. Y. YUASA, 1968). Fig. 2a, 2b. GK. H8006, paratype, internal mould of left valve, 2a, lateral view, 2b, anterior view. xL 3. Loc. MS202, Nishi, Johen Town, Minamiuwa County, Ehime Prefecture· (colI. M. NODA, 1970). Fig. 3. GK. H6826, paratype, internal mould of right valve. xL 3. Loc. MS202 (colI. M. SEKI, 1969) . Fig. 4. GK. H6831, para type, rubber cast of left external mould, natural size. Loc. MS202 (colI. M. SEKI, 1969). Fig. S. GK. H6824, paratype, internal mould of right valve. xL 3. Loc. MS201 (colI. Y. YUASA, 1968). Fig. 6. JG. H20S1, internal mould of left valve, natural size. Loc. MS202 (colI. M. NODA,. 1971). Fig. 7. GK. H8004, paratype, internal mould of left valve. xl. 3. Loc. MS202 (colI. M. NODA,. 1970) . Fig. 8. GK. H8002, internal mould of left valve. x 1.3. Loc. MS202 (colI. M. NODA, 1970). Fig. 9. GK. H800S, internal mould of right valve. xL 3. Loc. MS202 (colI. M. NODA, 1970). Fig. 10. GK. H8003, internal mould of both valves. xl. 3. Loc. MS202 (colI. M. NODA, 1971). JG: Collection of Jonan Geological Association, Oita. NODA: Inoceramus j1"Om Shimantogawa Gro~~p Plate 34 Trans. Proc. Palaeont. Soc. Japan, N. S., No. 93, pp. 249-265, pis. 35, 36, 37, April 20, 1974 629. EARLY AND MIDDLE PENNSYLVANIAN FUSULINIDS FROM SOUTHERN BRITISH COLUMBIA. CANADA AND NORTHWESTERN WASHINGTON, U. S. A.* KIMIYOSHI SADA Department of Geology, Faculty of General Education, Hiroshima University, Hiroshima 730 and WILBERT R. DANNER Department of Geological Sciences, University of British Columbia, Vancouver, Canada 7J T~' British Columbia mffll c 7;-( ~ 7J-g.~~ffil Washington 1+1::jtl§j}~i.p GJ!flliT ~ Pennsylvanian tJJWJ c if'WjO)*;Jj~:EJft: British Columbia m$O) Kamloops ->;" Keremeos til.(hJIC;[;;J: LF Vancouver lib, Washington 1+/0) Whatocom j:il.(lJlJ(~ San Juan f;'I'IIibR:5]::{flT :Q Pennsylvanian fflh:15-~tL:Q:fiEk¥il/:/;r.:'tJ':c'O)l=j:1f': Pennsylvanian tJJWliI'GI=j:1WH.: v't.: :Q*Jj~!E.1t:fi!I!IJfJJMO)ff:ffHt3.(!, to ;: ;: '.:.f:'O)~HfIhi c: bb"CficT:Q 0 Pennsylvanian tJJltJ]0)*;Jj~!E.1t:fi!I!IJfJJMfi Millerella, Eostaffella, Ozawainella ? f.: J: -:> "Ct;'fi'i&--51t G:/1., Endothyra, Endothyranopsis ?, Tetrataxis, Textularia, Climacammina t:J. EO)Jh~1f:rL 11~ 1967) fC~f.C).l- "C v':Q 0 ftc III Ij} ~t. W. R. DANNER these limestones may also contain in Introduction part a Late Mississippian (Late Ches In southern British Columbia and terian= Visean) fauna. This paper is northwestern Washington there is a the first description of these fusulinid widespread sequence of Upper Paleozoic faunas in southern British Columbia rocks ranging in age from Middle and northwestern Washington and is Devonian (in Washington) to Late Per part of a continuing project on the des mian. A group of limestone lenses and cription of Paleozoic faunas of this area. pods within this sequence contains The Early Pennsylvanian fusulinid Early to Middle Pennsylvanian fusulinids faunas of southern British Columbia (DANNER, 1966, 1970a). In some areas and northwestern Washington are characterized by Millerella marblensis, M. * Received June 18, 1973; read Oct. 28, sp., Eostaffella columbiana SADA & DAN 1972 at Matsuyama. NER. n. sp., E. sp. A, E. sp. B, E. spp., 249 250 K. SADA and W. R. DANNER Ozawainella? sp. and Endothyranopsis? previously in Middle Pennsylvanian sp. Associated microfaunas not described rocks of the western Cordilleran region in this paper include Endothyra spp., in the Fort St. James area of central Climacammina sp., Textularia sp., Tetra British Columbia (THOMPSON, PITRAT & taxis sp., Komia sp., pteropods and algae. SANDERSON, 1953) and from southeastern These fossils closely resemble the Early Alaska (DOUGLASS, 1971). Pennsylvanian faunas of North America Acknowledgments: Part of the field described by THOMPSON (1948) and Ross work by DANNER was conducted under & SABINS (1965), anda Iso the Japanese grants of the National Research Council Early Pennsylvanian faunas by IGO of Canada, the National Advisory Com (1957) and SADA (1964, 1965, 1967). In mittee of the Geological Survey of the western Cordillera of North America Canada and the University of British they have been reported in the Fort St. Columbia. Some of the field work in James area (THOMPSON, 1965), north northwestern Washington was performed western Washington (SKINNER & WILDE, while DANNER was employed by the 1966) and northern California (HAR Division of Mines and Geology of the BAUGH, 1955; SKINNER & WILI)E, 1965). State of Washington Department of The Middle Pennsylvanian fusulinid Conservation. Re-examination and des fauna is much rarer and is characterized cription of the material were undertaken by Eoschubertella ? sp. from Vancouver by SADA while he was at the University Island and Nankinella plummeri THOMP of British Columbia under a grant of the SON from the Kamloops area of British National Research Council of Canada. Columbia and the San Juan Islands of John W. SKINNER aided in preliminary Washington. The genus Eoschubertella identification of some of the fusulinids is a typical representative of early Mid and furnished information on. the loca dle Pennsylvanian age and is abundant tion of one of the Pennsylvanian fusu in Middle Pennsylvanian rocks of linid localities east of Kamloops, British America, Europe and Asia. In the Columbia. We wish to thank all of the western Cordilleran region it has been many property owners who kindly per reported. previously from the Fort St. mitted access on their lands and collec James area of central British Columbia tion of material. We also wish to (THOMPSON, 1965) and from the Ballenas acknowledge the numerous students of Islands off the east coast of Vancouver the University of British Columbia and Island (J. E. MULLER, personal communi Boy Scouts of the 80th University Hill cation in MONGER & Ross, 1971). Nan Troop who served as field assistants kinella plummeri was originally described over a period of several years in the by THOMPSON (1947) from the early search for Pennsylvanian fossil localities Middle Pennsylvanian Marble Falls and who helped pack out a large Limestone, Llano Uplift, Texas. The quantity of limestone samples. We give genus is widespread in rocks ranging special thanks to T. NEUFELDT, P. GAR in age from Early Pennsylvanian to VIN, E. HUNTER and F. GLASS who pre Late Permian in Europe, Asia and pared several hundred thin sections in North America but to our knowledge preliminary work on this project. Fur no Early Pennsylvanian species has ther work on this project was carried been described from North America. out while DANNER was visiting Professor Unnamed species have been described at Hiroshima University under the aus- 629. Pennsylvanian fusulinids from B. C. & Washington 251 I x FORT ST. JAMES ! ~. '"' "\ " COLUMBIA X CLINTON ~',"\,\., \"KAMLOOPS "- ~~'""-~ " (HARPER RANCH) ~~ ~ ) /'. ~o. KEREMEOS CANADA PACIFIC \HO~~~\' '-~r'-''-'-''''/-'+'- .~~~ l.~ ~HILUWACK U.s.lA. I OCEAN """-SANJUAN \ '1 .'j ISLANDS r .. aJJ i . WASHINGTON I .-.~. N '> j ( "] ~ XSUPLEE OREGON i I '_._ I o 100 200 CALI FOR Ni7\ . T' -' -'-'- . MILE j Text-fig. 1. Map showing distribution of Lower Pennsylvanian sequence in southwestern British Columbia and northwestern Washington. Black indi cates Pennsylvanian limestone outcrops where fauna was collected and multi plication indicates other Pennsylvanian localities. pices of the Japan Society for the Pro western Washington they are in the motion of Science. middle part of an as yet not formally named sequence which is correlative with Stratigraphy and Discussion the British Columbia central "oceanic" facies of the Cache Creek Group. On of Fauna Vancouver Island the Pennsylvanian The Pennsylvanian limestones studied limestones are in the lower part of the in this paper are in the lower part of Sicker Group. the eastern facies of the Cache Creek (1) Possible Late Mississippian lime Group in south central British Columbia. stones In southwestern British Columbia and Limestones that might be of Late northwestern Washington they are in Mississippian age have so far proved to the middle part of the Chilliwack Group be very rare in the study area. An as and on the San Juan Islands in north- yet undescribed species of the Late 252 K. SADA andW. R. DANNER stone lens located north of the road to the Devonian limestones of the Red Cross \ LOW PERMIAN LIMESTONE 11 quarry on Orcas Island, Washington. It \) LOW. PENNSYlV.NlAN LlMEST~V is possible that these exclusively Endo LO'H. PENNSYlVANIAN ( \ UP. MISSISSIPPIAN lIlo£STONE thyra-bearing limestones may be of Late / \) U~NOWN AGE UMESTONE Mississippian age. I'VVV"FAULT N (2) Early Pennsylvanian limestones Eastern Cache Creek Facies in Southern British Columbia Limestones containing an Early Pen £ nsylvanian fauna are widespread in the area north and east of the city of Kam loops in south central British Columbia_ The first indication of Pennsylvanian age limestone was when M. Y. WILLIAMS (in COCKFIELD, 1948) tentatively iden tified the Early Pennsylvanian brachio pods, Neospirifer cameratus ? and Rhyn chopora magnicosta, from this area but. there is no indication of just where Text-fig. 2. Map showing the fossil these brachiopods were collected. Later, localities at Rayleigh near north of City fusulinids of Early Pennsylvanian age of Kamloops in British Columbia. were found in limestone at Harper Ranch (John W. SKINNER, 1965, written Mississippian (Visean) coral Hexaphyllia communication). Subsequently we have has been found in our collections from found Pennsylvanian fusulinids in lime the limestones cropping out near the stones in the cliffs along the South community of Rayleigh north of Kam Thompson River, in the hills and mea loops, British Columbia. This form, dowlands northeast and above the Har along with a different species of Hexa per Ranch, on the eastern side and top' phyllia from the Late Mississippian of Mount Harper and in numerous lime Coffee Creek Formation of central Ore -stone lenses in the hills along the east. gon (SADA & DANNER, 1973) is the only side of the North Thompson River north. known occurrence of Hexaphyllia in of the city of Kamloops. North America. At the Rayleigh locality The fauna is typified by Eostaffella we also found Eostaffella columbiana, E. columbiana, Eostaffella kanmerai, Miller kanmerai, Millerella? sp. and endothy ella marblensis, Ozawainella? sp., Endo roid foraminifera which may indicate thyranopsis? sp., numerous endothyroid that part of the limestone is of Early foraminifera, Tetrataxis, Climacammina, Pennsylvanian age. Textularia, pteropods, large crinoid Some of the limestones exposed in the columnals, large brachiopods and rare Kendall limestone quarries on the west corals. side of Red Mountain in northern What Early Permian limestones characteriz com County, Washington, appear to ed by large Pseudoshwagerina overlie contain only endothyroid foraminifera the Early Pennsylvanian limestone in and this is also true of a small lime- the Kamloops area. However, some of 629. Pennsylvanian fusulinids from B. C. & Washington 253 ~ .... SCALE o---- 1 MILE Text-fig. 3. Locality map of Harper Ranch area near Kamloops, British Columbia. the smaller Early Pennsylvanian lime late Donald ANGOLD (personal communi stone bodies form discrete lenses sur cation) stated that there were two divi rounded by clastic sediments. East of sions of the limestone of the Blind the North Thompson River one of these Creek Formation, one with abundant limestone lenses is inverted with beds corals and the other containing a few containing Early Pennsylvanian fusul poorly preserved brachiopods. His lime inids overlying beds containing Early stone specimens in which we have found Permian fusulinids. The contact is a Eostaffella, Millerella and Endothyra paraconformity and is marked by a came from the non-coral part of the layer of chert pebbles and a zone of Formation so it is likely that the Blind sil icification. Creek Formation consists of an Early At Keremeos, British Columbia in the Pennsylvanian limestone overlain by an Blind Creek Formation we have found Early Permian limestone. very small primitive forms of Eostaffella, Chilliwack Group in British Columbia E. sp. B, along with Endothyra and and Washington Millerella marblensis. The Keremeos Large and small bodies of well-bedded limestone also contains a coral identified partly argillaceous limestone of Early as of Permian or Late Carboniferous Pennsylvanian age are found in the age and a coral that resembles a Late Chilliwack Group in southwestern British Mississippian species (SMITH, 1935). The Columbia and northwestern Washington. 254 K. SADA and W. R. DANNER In the Chilliwack area of British Colum NER, 1970b; MONGER & Ross, 1971). The bia (MONGER, 1966) they seldom exceed Early Pennsylvanian limestones contain 100 feet in thickness but may be as Eostaffella spp., Millerella? sp., Ozawa much as 600 feet thick or more in inella sp., Endothyra spp., Tetrataxis sp., Washington State (DANNER, 1966) and Textularia sp., Climaca1nmina sp., large extend in discontinuous outcrops for at crinoid columnals and corals. We have least 65 miles southeastward into the not been able to obtain well enough Northern Cascade Mountains. The oriented material to identify the species Pennsylvanian limestones are overlain of Eostaffella. On San Juan Island at by coarse- to medium-grained volcanic Roche Harbor Eostaffella sp. is associated arenites, greywackes and cobble with mats of filamentous algae in lime conglomerates. Some of the clastics stone interbedded with radiolarian contain plant fragments identified as cherts. Lepidodendron and Calamites by G. E. ROUSE and may be of Later Pennsyl vanian age. The .clastics are in turn ~I'OU.lE ~ ."OUNTCONSmUTION overlain by Permian fusulinid limestones ~ V /./-~\-\oc,~ of Early Leonardian age. ~~lOC.REDCRO.~~~== . The Early Pennsylvanian limestones N ••~ ,,( A I ORCAS SLAND of the Chilliwack Group contain a fauna p similar to that of the eastern facies of . A&if,\'. the Cache Creek Group exposed near Kamloops, British Columbia and it in cludes Eostaffella columbiana, E. kan ~,~t~~~·~WASHINGTON meraz, Millerella sp., Ozawainella? sp., ~ Tetrataxis sp., Textularia sp., Climacam "--_....::.___ :.' .. OMIl.ES min a sp., numerous endothyroids, large crinoid columnals, coral, bryozoa and Text-fig. 4. Map showing the fossil localities large brachiopods. The puzzling algae on San Juan Islands in Washington. or stromatoporoid Komia is locally abundant. (3) Middle Pennsylvanian San Juan Islands, Washington Kamloops area and Vancouver Island, On the San Juan Islands in north British Columbia; Orcas Island, Washing western Washington numerous .small ton limestone bodies contain an Early Penn Nankinella plummeri THOMPSON was sylvanian fauna. They are overlain found in limestones of the eastern facies on Orcas Island by a sequence of sedi of the Cache Creek Group in the hills mentary and volcanic rocks containing and meadowland areas above and east the Early and Late Permian faunas and of the Harper Ranch near Kamloops, on San Juan Island by volcanic and British Columbia. Our collections con sedimentary rocks containing· a Late taining it all come from the largest out Permian fauna. The Late Permian crop area of Pennsylvanian limestone faunas on both islands contain Neosch overlain by Early Permian limestone or wagerina and other Tethyan fusulinids Triassic volcanic rocks and not from correlative with the middle or "oceanic" the small lenses of Pennsylvanian lime facies of the Cache Creek Group (DAN- stone in clastic rocks. Nankinella plum- 629. Pennsylvanian fusulinids from B. C. & Washington 255 meri is associated with Endothyra spp. in Pennsylvanian fusulinid fauna is also· these limestones. known to occur in the central "oceanic" On Vancouver Island Eoschubertella facies of the Cache Creek Group in was collected from a limestone bed on limestones near the town of Clinton in the west side of Horne Lake and Eostaf central British Columbia but it will be fella? sp. from limestone talus blocks discussed in a later paper when the· below the limestone cliffs on Mount study of this area is completed. Mark on the north side of Horne Lake. On Orcas Island, Washington, our sam Endothyra sp. also occurs in these lime ples containing Nankinella came from a stones. It had been suspected for several small lens of argillaceous limestone on years that Pennsylvanian rocks occur on the northeast slopes of Mount Constitu Vancouver Island (DANNER, 1960, 1965) tion about 550 feet above sea level. The although YOLE (1963) could find only limestone contains a microfauna of evidence of Early Permian age. More Eostaffella sp., Millerella ? sp .. Endothyra recently the Middle Pennsylvanian fusu sp., and crinoid columnals, bryozoa, linids Wedekindellina and Eoschubertella corals and one species of trilobite. have been reported from North Balenas The thin sections used in this study Island just off the east coast of Van are deposited in the stratigraphic-pal couver Island in Georgia Strait CJ. E. eontologic collections of the University MULLER in MONGER & Ross, 1971). A of British Columbia, Department of Table 1. Distribution of species of fusulinids and other microfossils by samples from the Pennsylvanian limestone in British Columbia and Washington. * As the sample containing Hexaphyllia sp. from Rayleigh is different from the· sample containing Early Pennsylvanian fusulinids, the species is not associated. with Eostaffella columbiana, E. kanmerai, Millerella marblensis and M. sp. 256 K. SADA and W. R. DANNER Geological Sciences. NWI/. of section 8, T. 20, R. 15 in the hills above the South Thompson River at an al titude between 3200 and 3300 feet. Fossil Localities Liumption Ridge. - Bedded argillaceous British Columbia limestone exposed up a stream bed near the Keremeos.-Blind Creek Limestone. Top base of the steep slope forming the north of hill southeast of the town of Keremeos. side of Liumption Ridge. Above the south Rayleigh.-Road cut on east side of Yel· side of a meadow area used for camping low head Highway about 8 miles north of the which is about 1/2 mile up and south of city of Kamloops and just north of the com· Liumption Lake. There was a cabin in the munity of Rayleigh in SWI/. section 34, T. meadow in 1959. Altitude about 4600 feet. 21, R. 17. Liumption Ridge is the southwestern exten Aspen Park.-Several small limestone sion of Church Mountain. bodies about 41/2 miles north on the Yellow· West Side Horne Lake.-Limestone exposed head Highway from the city of Kamloops. in outcrops along logging road above west About one mile up hillside between 2000 and side of Horne Lake. 2500 feet in altitude. Near north boundary North Side Horne Lake.-Talus blocks of of Kamloops Indian Reserve No.1 and south limestone at base of Mount Mark along log east for 1/2 mile. Part of these same lime· ging road on north side of Horne Lake. stone bodies contain Early Permian fusul· inids. Washington Harper Ranch.-Ridge of limestone in cen Black Mountain.-Limestone cliff near cen ter of north 1/2 section 10, T. 20, R. 16, just ter of section 4, T. 40 N., R. 6 E., on a west of Harper Ranch buildings on Harper northwestern spur ,of Black Mountain. Log Ranch Road. , ging road at base of cliff. Northern What South Thompson #l.-Lens of limestone com County. cropping out on south-facing cliff II. mile Red Mountain.-Limestone outcrop on the north of South Thompson River and the top of Red Mountain near its northern end river road along eas,t section line of NEIl. in the SWI/. section 12, T. 40 N., R. 5 E. section 3, T. 20, R. 16. Upper Kendall Quarry.-Top of north end South Thompson #2.-Breached anticlinlil of large limestone quarry used for cement bed of limestone cropping out along' east rock. Section 14, T. ,40 N., R. 5 E. section line of section 2, T. 20, R. 16, on Lower Kendall Quarry.-In east wall of top of terrace above So~th Thompson River abandoned limestone quarry in the SWI/. Valley about 1/2 mile north of South Thomp section 14; T. 40 N., R. 5 E. son River and the river road. Wright, Orcas Island.-Small area of lime North McGregor Creek.-Small knob of stone outcrop in the NEIl. section 19, T. 37 limestone exposed at base of hills north side N., R. 1 W., at an estimated altitude of 900 of McGregor Creek valley, east end of Har feet on, the northwest side of Mount Con per Ranch in SE II. section 12, T. 20, R. 16 stitution. Southeast of a large swampy area about Jl/2 miles north of South Thompson and about lis mile south of Day Lake Road. River at an altitude of approximately 1700 Double Hill #3, Orcas Island.-A 40 foot feet. high limestone knob on a north-facing slope Upper Harper Ranch.-NEI/. section 7; T. about the center of the SEll, of section 20, R. 15 in meadowlands in hills above east 15, T. 37 N .• R. 2 W., on the west side of end of Harper Ranch at an altitude of be ,the southern part of Double Hill. It is about tween 3000 and 3100 feet. Low ridges of 300 feet northwest and downslope from the limestone north of small alkalie lakes. pass between Double Hill and Lookout Robins Lake.-Limestone outcrops around Mouritain and about 120 feet north of the shores of Robins Lake, an alkalie Lake in the' Double Hill #2 limestone deposit: 629. Pennsylvanian fusulinids fromB. c.. & Washington 257 Mount Constitution, Orcas I sland.-North p. 449; pI. 49, fig. 3. east slope of Mount Constitution in the SWI I, 1957. Millerella marblensis, IGo. Sci. Rep. section 16, T. 37 N., R. 1 W., just west of Tokyo Kyoiku Daigaku, Sec. C, vol. 5, the junction of a main logging road with nos. 47-48, pp. 178-179, pI. 1, figs. 13- two abandoned spur roads. Knob-like expo 14, 18-19. sure of limestone. 1961. Millerella marblensis, RICH. Jour. Pale Orcas Knob, Orcas I sland:-Small limestone ont., vol. 35, no. 6, p. 1159, pI. 142, lenses and pods and large limestone cJastics figs. 1-9. in'v'!»):eanic 'breccia in cliffs on west side of 1964. Millerella marblensis, MOORE. Jour. Orcas Knob in the SEll, section 30, T. 37 N., Paleont., vol. 38, no. 2, pp. 295-305, pI. R. 2 W. between top of knob and Soderberg 47, figs. 1-24, pI. 48, figs. 1-23. limestone quarries (Devonian age) at west 1965. Millerella marblensis, Ross & SABli"S. base of Orcas Knob. Jour. Paleont., vol. 39, no. 2, pp. 183- Red Cross Quarry Road, Orcas Island. 184, pI. 21, figs. 18-27. Small outcrop of oolitic limestone on vegeta 1965. Millerella marblensis, Ross & TYR tion covered ridge north above road into RELL. Jour. Paleont., vol. 39, no. 4, p. Red Cross limestone quarry (Devonian age) 621, pI. 76, figs. 38-42. in the NEIl." SEll, section 20, T. 37 N., R. 1967. Millerella marblensis, SADA. Trans. 2 W. East of House. Proc. Palaeont. Soc. Japan, N. S. no. 67, Roche Harbor, San Juan I sland.-Southeast pp. 140-142, pI. 12, figs. 13-14, pI. 13, . side of northernmost limestone quarry at figs. 1-3, 9. Roche Harbor in the NEIl, section 23, T. 36 N., R. 4 W. Description:-The shell of Millerella marblensis THOMPSON is discoidal· and shows rounded periphery and umbilicat SY!jtematic Description ed poles. The shell of five volutions illustrated as fig. 8 on PI. 37 (South Family Ozawainellidae THOMPSON Thompson ~2-39-a) is 100 microns in & FOSTER, 1937 length and 400 microns in width, having Genus Millerella THOMPSON, 1942 a form ratio of 0.25. The outer two or three volutions are completely evolute. Millerella marblensis THOMPSON The spherical proloculus of a specimen measures 20 microns in its outside dia PI. 37, figs: 6-12, 14 meter. The radius vectors of the 1st 1942. Millerella marblensis THOMPSON. Amer. to the 5th volution of a specimen are Jour. Sci., vol. 240, pp. 405-407, pI. 1, 30, 60, 100, 140 and 210 microns, respec figs. 3-14. tively. The spirotheca consists of a 1944. Millerella marblensis, THOMPSON. Kan tectum and inner and outer tectoria and sas Ceo!. Surv. Bull. 52, pp. 420-423, its thickness. of , the last volution is about pI. 1, figs. 1-9; pI. ,2, figs. 1-15. 20 microns. The septa are Closely 1948. Millerella marblensis, THOMPSON. Kan spaced. . The chomata are' small and sas Univ., Paleont. Contr., Protozoa, art. primitive. 1, p. 76, pI. 23, figs. 1-12, pI. 24, figs. Remarks:-As pointed out by THOMP 1-9. SON (1948, p. 76)' Millerella marblensis 1951. Millerella marblensis, THOMPSON. Contr. Cushman Found. Foram. Res., has a fairly broaq specific variation in vol. 11, pt. 4, p. 118, pI. 13, figs. 14, 17. its shell-shape and sizei In the shell 1954. Millerella marblensis, SKINNER & shape and the internal characteristics, WILDE. Jour. Paleont., vol. 28, no. 4, the present specimens are identified 258 K. SADA and W. R. DANNER with M. marblensis described by THOMP in width, giving the form ratios of 0:26 SON from the Lower Pennsylvanian to 0.49. The shell of the holotype is 300 rocks of Texas and New Mexico (1942, microns in length and 820 microns in 1948), Arkansas and Kansas (1944). width, possessing a form ratio of 0.37. Occurrence:-M. marblensis was found The inner and outer volutions are in at the following localities: South Thomp volute but the last one is partly evolute. son #2, Harper Ranch, Robins Lake, The proloculus is large. Its outside North McGregor Creek, Rayleigh, Aspen diameter ranges from 40 to 60 microns Park, Keremeos and Mount Constitution in eight specimens. The radius vectors on Orcas Island. of the 1st to the 6th volution of eight specimens are 40-60, 60-120, 140-190, 210- 310, 340-450 and 520 microns, respec Genus Eostaffella RAUSER tively. The spirotheca is fairly thick CHERNOUSSOVA, 1948 and is composed of a tectum and inner and outer tectoria in the inner volution Eostaffella columbiana SADA but in the outer ones it consists of a & DANNER, n. sp. tectum, inner and outer tectoria and a discontinuous thin lighter layer. The PI. 35, figs. 1-8; PI. 36, figs. 1-5 thickness of the spirotheca of the 1st to the 2nd volution is less than 10 Description :-The shell of Eostaffella microns and of the 3rd to the 5th volu columbiana SADA & DANNER, n. sp. is tion is 10 to 30 microns, respectively. large for the genus and discoidal in The septa are fairly thick and planer shape with subangular to rounded peri throughout the shell. They bend an phery, slightly umbilicated poles and teriorly. The septal counts of the 1st convex lateral slopes. The mature shells to the 5th volution of a typical speci of five to six volutions are 250 to 370 men illustrated as fig. 5 on PI. 36 (South microns in length and 680 to 950 microns Thompson #2-48-b) are 5, 12, 16, 18 and Table 2. Measurements of Eostaffella columbiana SADA & DANNER, n. sp. Radius vector Slide PI. fig. L. W. R. Prol. 1 2 3 4 5 6 ------Upper Harper Ranch 93-a 35 1 0.30 0.82 O. 37 O. 06 0.06 0.11 O. 19 O. 28 0.45 Upper Harper Ranch 93-b 35 2 0.37 O. 80 0.46 O. 06 0.05 O. 10 0.18 - 0.43 Harper Ranch 4-c 35 3 0.37 O. 76 0.49 0.05 0.06 O. 12 O. 19 0.31 0.41 Harper Ranch I-a 35 6 0.35 O. 78 0.45 0.05 0.05 0.10 0.16 0.27 0.45 Harper Ranch 4-b 35 7 0.36 O. 78 0.46 0.06 0.06 0.11 0.16 0.27 0.45 South Thompson ~2-30-a 35 4 0.27 0.68 0.40 0.05 0.05 0.09 0.15 0.24 0.36 South Thompson ~2-26-c 35 5 0.23 0.47 0.49 0.05 0.05 0.06 0.17 0.27 Harper Ranch 62-66 36 1 0.25 O. 95 0.26 0.04 O. 04 0.08 O. 14 0.21 0.34 O. 52 (Measurements in mm) 629. Pennsylvanian fusulinids from B. C. & Washington 259 19, respectively. The chomata are dis Mountains, Yukon. However, the former tinctly developed_ The tunnel ·angles species is smaller in size and has smaller of the 1st to the 4th volution are 25, 25, proloculus and smaller form ratio. 26 and 27 degrees, respectively, in a Eostaffella columbiana differs from specimen illustrated as fig. 3 on PI. 35 Eostaffella thompsoni (ANISGARD & CAM (Harper Ranch 4-c). PAU) (1963, p. 102, pI. 9, figs. 1-15, pI. 10, Remarks :-A large number of the figs. 1-7, pI. 11, figs. 1-4) in that it has sectioned specimens are referable to the a smaller shell, smaller form ratio, present new species. They show a fairly smaller tunnel angles and larger num wide range of variation in the length ber of volutions. of the axis of coiling and the height of Occurrence: - Eostaffella columbiana the chambers in the outer two or three was found abundantly at many localities volutions. In the general shape of the including: South Thompson #1, South shell Eostaffella columbiana SADA & Thompson ~2, Rayleigh, Aspen Park, DANNER, n. sp. somewhat resembles Harper Ranch, Upper Harper Ranch, Eostaffella circuli which was described Robins Lake ~l, Liumption Ridge, in by THOMPSON (1945, pp. 46-47, pI. I, figs. British Columbia and Black Mountain 15-18) from the Pennsylvanian Belden in Washington State. formation in Northwest Colorado and East Utah, and by THOMPSON (1948, p. 77, pI. 24, figs. 16-18) from Powwow Eostaffella kanmerai (lGo) Canyon, Hueco Mountain, Texas. How ever, E. columbiana, n. sp. is distinguish PI. 37, figs. 1-3, 5, 18-19 ed from E. circuli in having larger shell, 1957. Alillerella kanmerai IGo. Sci. Rep. To larger proloculus and more rapid expan kyo Kyoiku Daigaku, Ser. C, vol. 5, sion of the shell in the outer volutions. nos. 47-48, pp. 175-177, pI. I, figs. 20- The present species has a close resem 26, pI. 2, fig. 14. blance to Eostaffella gigantea (KANMERA) 1964. Eostaffella kanmerai, SADA. jour. Sci. (1952, pp. 172-173, pI. 12, figs. 4-14) from Hiroshima Univ., Ser. C, vol. 4, no. 3, the Kakisako formation of Southwest pp. 230-231, pI. 21, figs. 8, 16-17. Japan, but they are easily distinguished 1967. Eostaffella kanmerai, SADA. Trans. by smaller shell of E. columbiana, n. sp., Proc. Palaeont. Soc. japan, N. S. no. 67, pp. 144-145, pI. 2, figs. 1-10. larger form ratio, smallerproloculus 1969. Eostaffella kanmerai, SADA. Trans. and thicker spirotheca of the last volu Proc. Palaeont. Soc. japan, N. S. no. tion. E. columbiana, n. sp. is somewhat 75, pp. 120-121, pI. 12, figs. 1-13; pI. allied to Eostaffella japonica (KANMERA) 13, figs. 1-2. (1952, pp.170-172, pI. 11, figs. 1-19: pI. 12, figs. 1-3) from Japan. However, the Description:-The shell of Eostaffella more slender shell, smaller form ratio kanmerai (IGO) is discoidal in shape and smaller proloculus of E. japonica with subangular to rounded periphery serve to distinguish it from E. colum and depressed at the umbilicated poles. biana, n. sp. Eostaffella columbiana, n. The lateral slopes are distinctly convex. sp. resembles Eostaffella britishensis des Shells with five volutions measure 190 cribed by Ross (1967, pp. 715-716, pI. to 230 microns in length and 390 to 680 79, figs. 6-10) from locality 2B-15-63-54, microns in width, giving the form 9 miles south of Trout Lake, British ratios of 0.29 to 0.43. The inner volu- 260 K. SADA and W. R. DANNER tions are involute but the last one or its thickness of the 1st to' the 5th volu two volutions become partly evolute. tion of seven specimens is 10 to 20 The spherical pro loculus measures 30 microns. The thickness of the proloculus to 40 microns in the outside diameter. wall ranges from 10 to 15 microns. The The radius vectors of the 1st to the 5th septa are thin and slightly bent an volution of seven specimens are 40-50, teriorly. The chomata are low and 70-100, 110-130, 190-330 and 280-380 slightly asymmetrical. The tunnel an microns, respectively. gles"of the 1st, to the 3rd volution of a The spitotheca is fairly thick in the specimen (PI. 37, fig. 1: North McGregor outer two volutions and consists of a Creek 11-a) are 20, 24 and 25 degrees, tectum and inner and outer tectoria and respectively. Table 3. Measurements of Eostaffella kanmerai (IGo). Radius vector Slide Pt fig. L. W. R Prot 1 2 3 4 5 ------North McGregor CK. ll-a 37 1 O. 23 0.56 0.41 0,04 O. 05 0.08 O. 13 0,21 O. 30 South Thompson #2-18-b 37 3 0, 19 0,56 0,34 0,04 0.04 0.07 0.11 0,19 0.28 South Thompson #2-18-a 37 2 O. 20 0.68 0.29 O. 03 O. 05 0.10 O. 15 O. 24 0.38 South Thompson #2-26-b 37 19 O. 19 0.55 0.34 0.04 O. 05 0.09 O. 18 O. 31 South Thompson #2-27-a - - O. 19 0.58 0.33 O. 04 O. 05 O. 09 O. 18 0.33 (Measurements in mm) Remarks :-Eostaffella kanmerai was tunnel angles and the septal counts. originally described by IGO (1957) from Eostaffella ka?t1nerai somewhat resembles the Ichinotani formation in Central Eostaffella circuli described from Utah Japan, and then it was described from and Colorado (THOMPSON, 1945, pp. 46- the Pennsylvanian limestones of Atetsu 47, pI. 1, figs. 15-18) and from Texas (SADA, 1964) and Taishaku (SADA, 1967, (THOMPSON, 1948, p. 77, pI. 24, figs. 16- 1969) in West Japan. The specimens 18). However, E. kanmerai can be easily described above are quite identical with distinguished from E. circuli, for the the types and the hypotypes of Japan former species has a shorter axial length, in the shell-shape, the size, the form smaller ,form ratio, smaller proloculus, ratio, the number of volutions, the ex smaller chomata, higher chambers and pansion of the shell," the spirothecal fewer, septa for corresponding vol utions, thickness, the proloculus diameter, the thinner spirotheca and larger tunnel Explanation of Plate 35 All figures x 100 Figs. 1-8. Eostaffella columbiana SADA & DANNER, n. sp. 1: 'Axial section of the 'holotype: Slide-Upp'er Harper Ranch 93-a. 2-8. - AXla'1 sections of paratypes: Slides-Upper Harper Ranch 93-b, Harper Ranch 4-c, South Thompson #2-30-a, South Thompson #2-26-c, Harper Ranch I-a, Harper Ranch 4-b and Harper Ranch I-b, respectively. SADA and DANNER : Pennsylvanian f~~s~dinidsfrorn B. C. & Washington Plate 35 3 5 629. Pennsylvanian fusulinids from B. C. & Washington 261 angle. PI. 36, figs. 6-7 Occurrence:-Eostaffella kanmerai was collected at the following localities: Descriptive remarks:-W e have obtain Rayleigh, Harper Ranch, South Thomp ed a small species referable to the genus son #1. South Thompson #2. North Eostaffella from the Pennsylvanian beds McGregor Creek and Liumption Ridge. of the Blind Creek Limestone at Kere meos, B. C. and from the area around Kamloops, B. C. However, we cannot Eostaffella sp. A determine the accurate specific name, because the specimens are very poor PI. 37, figs. 15-17 in preservation. The shell of Eostaffella Descriptive remarks: - The shell of sp. B is small and discoidal in shape Eostaffella sp. A is moderate for the with subangular to rounded periphery genus and discoidal in shape, having a and convex lateral slopes. The shell broadly rounded periphery and slightly ill ustrated as fig. 7 on PI. 36 (Keremeos, umbilicated poles. The specimen illu B. C. S. W. 2-3-a) is 80 microns in length strated as fig. 17 on PI. 37 (South Thomp and 210 microns in width, giving a form son #2-34-a) is 250 microns long and 430 ratio of 0.38. The inner volutions are microns wide, giving a form ratio of involute but the last one becomes parti 0.58. The shell is involute in the inner ally evolute. The proloculus diameter volutions but the last one is partly and the radius vectors are uncertain evolute. The proloculus diameter is due to the poor preservation of the uncertain due to secondary mineraliza shell. The spirotheca is composed of a tion. The spirotheca is composed of a tectum and inner and outer tectoria, tectum and inner and outer tectoria. and the spirothecal thickness of the last The thickness of the spirotheca of the volution is about 10 microns. The cho penultimate and the last volutions is mata are indistinctly developed. about 10 microns. The chomata are Occurrence:-Eostaffella sp. B is com obscure. mon in the following localities: South In the shell-shape, the number of volu Thompson #1, South Thompson #2, Har tions and some internal characteristics per Ranch and Keremeos Limestone. of the shell, the present species has a resemblance to Eostaffella sp. B des Family Staffellidae MIKLUKHO cribed by SADA (1964, pp. 232-233. pI. 21, MAKLAY, 1949 figs. 18-20; pI. 22, figs. 5-7) from the Pennsylvanian beds of the Atetsu Lime Genus Nankinella LEE, 1933 stone in West Japan. However, more perfect specimens are necessary for the Nankinella plummeri THOMPSON definite determination of the species. PI. 37, fig. 4 Occurrence: - Eostaffella sp. A was obtained from the following localities: 1947. Nankinella plummeri TilOMPSON. Jour. Paleont., vol. 21,pp. 155-157, pI. 32, South Thompson #2, Harper Ranch and figs. 11-16; pI. 33, figs. 10-11. North McGregor Creek. 1957. Nankinella plummeri, Ico. Sci. Rep. Tokyo Kyoiku Daigaku, Ser. C, vol. 5, nos. 47-48, p. 183, pI. 3, fig. 4. Eostaffella sp. B 1961. Nankinella plummeri, SADA. Jour. Sci. 262 K. SADA and W. R. DANNER Hiroshima Univ., Ser. C, vol. 4, no. 1, Occurrence:-Nankinella plummeri was pp. 107-109, pI. 10, figs. 22-25. collected from the following localities: Upper Harper Ranch, Robins Lake and Description:-The shell of N ankinella Mount Constitution on Orcas Island. plummeri THOMPSON is minute and dis coidal in shape, having the angular periphery in maturity, convex lateral Subfamily Eoschubertellinae slopes and slightly umbilicated poles. SKINNER. 1931 The mature shell of six volutions illu strated as fig. 4 on PI. 37 is 450 microns Genus Eoschubertella THOMPSON, 1937 in length and 1050 microns in width. The form ratio is 0.43. The outside Eoschubertella ? sp. diameter of the proloculus is 50 microns. PI. 37, fig. 13 The radius vectors of the 1st to· the 6th volution of the illustrated specimen are Description:-The shell of Eoschuber 60, 100, 180, 260, 400 and 600 microns, tella? sp. is small for the genus and respectively. The spirothecal thickness inflated fusiform in shape and has of. the outer volutions is less than 30 bluntly pointed polar ends and straight microns. The spirotheca is composed axis of coiling. The shell of the speci of three layers. The chomata are low. men illustrated as fig. 13 on PI. 37 (West Their tunnel sides are steep and pole side of Horne Lake, Vancouver Island 5- ward slopes are very gentle. The tun 16 (V. 1.-1)) is 600 microns in length and nel angles of the 3rd to the 5th volu 450 microns in width. The form ratio· tion are 16, 17 and 18 degrees, respec is 1.32. The proloculus of the shell is tively. invisible due to the secondary miner Remarks :.-In the shell-shape, the form alization. The spirotheca is composed ratio, the height of the chambers, the of a tectum and inner and outer tec features of the chQmata, and the num toria. The spirothecal thickness mea ber of volutions, the present form sures about 20 microns in the penulti closely resembles Nankinella plu,mmeri mate and ultimate volutions. The cho described by THOMPSON (1947) from the mata are distinct in all but the last Marble Falls limestone, Llano Uplift, volution. The tunnel'sides of the cho Texas. They may be conspecific. mata are nearly vertical but the pole- Explanation of Plate 36 All figures x 100 Figs. 1~5. Eostaffella columbiana SADA & DANNER, n. sp. 1, 3. Axial sections of paratypes: Slides-Harper Ranch 62-66 and South Thompson :112-54, respectively. 2, 4-5. Sagittal sections of paratypes: Slides-Upper Harper Ranch 93-c, South Thomp son :112-26-a and South Thompson :112-48-b, respectively. Figs. 6-7. Eostaffella sp. B 6-7. Axial sections: Slides.Keremeos B. C. S. W. 2-4-a and Keremeos B. C. S. W. 2-3-a. respectively ... Fig. 8. Endothyranopsis? sp. 8; Axial section: Slide-Harper Ranch 25-2-b. SADA and DANNER: Pennsylvanian fusulinids from B. C. & Washington Plate 36 629. Pennsylvanian f1Lsulinids from B. C. & Washington 263 ward slopes are gentle. The tunnel outer layers composed of granules of .angle is about 20 degrees in the penulti calcite bounded by calcareous cement. mate volution. Remarks:-The present species has Remarks :-The present species is in similarities to the type species of genus completely known owing to the scanti Endothyranopsis, E. crassa BRADY, in ness of the material and it is difficult the general shell-shape and some inter to determine the generic affinities with nal characteristics. However, the pre certainty. In the general shell-shape sent species differs from the type :and some internal characteristics of the species in having three layered wall shell, however, the single specimen des composed of a distinct tectum and inner cribed above has similarities to species and outer layers which consist of gra placed in Eoschubertella. So we refer nules of calcite bounded by calcareous it to that genus with question as Eoschu cements. Therefore, the present species bertella? sp. The specific comparison is referred to the genus Endothyranopsis will be postponed until more informa with question. tion is obtained. Occurrence:-Endothyranopsis? sp. was Occurrence: - Eoschubertella? sp. is obtained from the following localities: common in the Pennsylvanian rocks at South Thompson #2 and Harper Ranch. the westside of Horne Lake on Van couver Island. References ANISGARD, H. W. & CAMPAU, D. E. (1963): Family Endothyridae BRADY, 1884 Paramillerella thompsoni, n. sp. from Michigan and a redefinition of Paramil Subfamily Endothyranopsinae lerella. Contr. Cushman Found. Foram. REYTLINGER, 1958 Res., vol. 14, pp. 99-108, pIs. 10-11. COCKFIELD, W. E. (1948): Geology and Genus Endothyranopsis CUMMINGS, 1955 mineral deposits of Nicola. Map-Area, British Columbia. Mem. Geol. Surv., Endothyranopsis ? sp. Canada 249, pp. 1-164. CUMI\I1!'\GS, R. H. (1955): New genera of PI. 36, fig. 8 foraminifera from the British lower Carboniferous. jour. Washington Acad. Description:- The shell of Endothy Sci., 45, pp. 1-7. ranopsis? sp. is large and subglobular DANNER, W. R. (1960): An introduction to in shape with broad and rounded peri the stratigraphy of southwestern British phery and depressed umbilicated poles. Columbia and northwestern Washington. The axis of coiling rotates in the inner Gu idbook for Geological Field Trips in volutions. The specimen (Harper Ranch southwestern British Columbia. Vancouver 25-2-b) illustrated as fig. 8 on PI. 36 is Geological Discussion Club, pp. 1-6. (Univ. of B. C. Geological Reports No.1, W. H. 50 microns long and 70 microns wide. MATHEWS, editor). The shell is tightly coiled in the inner -- (1965): Limestone of the western Cor volutions but rapidly expands in the dilleran eugeosyncline of southwestern last volution. The proloculus is small British Columbia, western Washington and its outside diameter measures 4 and northern Oregon. Dr. D. N. Wadia microns. The spirotheca is thin and Commemorative Volume, Mining & Metal consists of a tectum and inner and lurgical Institute of India, pp. 113-125. 264 K. SADA and W. R. DANNER (1966): Limestone resources of western ferous Kakisako formation of southern Washington. Bull. 52, State Washington Kyushu, with a description of some Div. Mines Ceol., pp. 1-474. corals and fusulinids. Mem. Fac. Sci. -- (1970a): Carboniferous System of the Kyushu Univ., Ser. D, vol. 3, pp. 157- western Cordillera of south-western 177, pis. 8-12. British Columbia and north-western MO:'\GER, J. W. H. (1966): The stratigraphy Washington. Compte Rendu 6e Congres and structure of the type-area of the Internat. Strat. Ceo!. Carboni/., vol. 11, Chilliwack Group, southwestern British pp. 599-608. Columbia. Unpublished Ph. D. Thesis, -- ~1970b): Paleontologic and stratigra University of British Columbia. phic evidence for and against sea floor -- & Ross, C. A. (1971): Distribution of spreading and opening and closing oceans fusulinaceans in the western Canadian in the Pacific Northwest. Ceol. Soc. Cordillera. Canadian Jour. Earth Sciences, America Abs. with Programs, vol. 2, no. vol. 8, no. 2, pp. 259-278. 2, pp. 84-85. MOORE, W. L. (1964): Note on the mor DOUGLASS, R. C. (1971): Pennsylvanian phology and taxonomic position of the fusulinids from southeastern Alaska. fusulinid Millerella marblensis THOMP U. S. Ceol. Survey Pro/. Paper 706, pp. SON. Jour. Paleont., vol. 38, pp. 294-305, 1-20, pis. 1-7. pis. 47-48. HARBAUGH, J. W. (1955) : Unpublished thesis. RICH, M. (1961): Stratigraphic section and University of Wisconsin. fusulinids of the Bird Spring formation IGo, H. (1957): Fusulinids of Fukuji, south near Lee Canyon, Clark County, Nevada. ern part of the Hida Massif, central Ibid., vol. 35, pp. 1159-1180, pI. 5. Japan. Sci. Rep. Tokyo Kyoiku Daigaku, Ross, C. A. (1967): Late Paleozoic fusulinids Ser. C, vol. 5, pp. 153-246, pis. 1-15. from northern Yukon Territory. Ibid., KANMERA, K. (1952): The lower Carboni- vol. 41, pp. 709-725, pis. 79-86. Explanation of Plate 37 All figures x 100 except for Figs. 4 and 12 Figs. 1-3, 5, 18-19. Eostaffella kanmerai (IGo) 1-3, 18-19. Axial sections: Slides-North McGregor Creek 11-a, South Thompson :lf2-18-a, South Thompson #2-18-b, South Thompson #2-42-a and South Thompson :lf2-26-b, respectively. 5. Sagittal section: Slide-Harper Ranch I-c. Fig. 4. Nankinella plummeri THOMPSON 4. Axial section: Slide-Mount Constitution, Orcas Is. OI-30F. x 50. Figs. 6-12, 14. Millerella marblensis THOMPSON 6-10, 14. Axial sections: Slides-Harper Ranch 67-68, Mount Constitution, Orcas Island 0I-30F, South Thompson :lf2-39-a, Harper Ranch 67-72-b, Harper Ranch 25-2-a and Robins Lake 48-48d, respectively. 11-12. Sagittal sections: Slides-South Thompson #2-52-a and South Thompson :lf2-48-a, respectively. Figs. 15-17. Eostaffella sp. A 15-17. Axial sections: Slides-North McGregor Creek 11-b, Harper Ranch 67-72-a and South Thompson :lf2-34-a, respectively. Fig. 13. Eoschubertella? sp. 13. Axial section: Slide-West Side Horne Lake Vancouver Island 5-16(V. 1. -1) x 51. 6. Fig. 20. Endothyra sp. Slide-North McGregor Creek ll-c. SADA and DANNER: Pennsylvanian fus~~linidsfro?n B. C. & Washington Plate 37 5 629. Pennsylvanian fusulinids from B. C. & Washington 265 & SABINS, F. F. (1965): Early and mid -- & WILDE, G. L. (1966): Permian fusu dle Pennsylvanian fusulinids from south linids from Pacific Northwest and Ala eastern Arizona. Ibid., vol. 39, pp. 173- ska. Univ. Kansas Paleont. Contr., Paper 209, pis. 21-28. No.4, pp. 1-64, pis. 1-49. - & TYRRELL, W. W. (1965): Pennsyl SMITH, S. (1935): Two anthracolithic corals vanian and Permian fusulinids from the from British Columbia and related Wheststone Mountains, southeast Ari species from the Tethys. Jour. Pa/eont., zona. Ibid., vol. 39, pp. 615-635, pis. 75-78. vol. 9, no. 1, pp. 30-42. SADA, K. (1961): Profusu/inella of Atetsu THO:l.IPSO:-1, M. L. (1937): Fusulinid of the Limestone. Jour. Sci. Hiroshima Univ., subfamily Schubertellinae. Ibid., vol. 11, Ser. C, vol. 4, no. 1, pp. 95-116, pis. 9-10. pp. 118-125, pI. 22. -- (1964): Carboniferous and Lower Per -- (1342): New genera of Pennsylvanian mian fusulines of the Atetsu Limestone fusulinids. Am. Jour. Sci., vol. 240, pp. in West Japan. Ibid., vol. 4, pp. 225-269, 403-420, pis. 1-3. pis. 21-28. -- (1944): Pennsylvanian Morrowan rocks -- (1965): Carboniferous and Permian and fusulinids of Kansas. Kansas Ceol. stratigraphy of the Atetsu Limestone in Survey, Bu/l. 52, pp. 409-431, pis. 1-2. West Japan. Ibid., vol. 5, no. 1, pp. 21- -- (1945): Pennsylvanian rocks and fusul 80. inids of east Utah and northwest Colo -- (1967): Fusulinids of the .Mil/erel/a rado correlated with Kansas section. zone of the Taishaku Limestone (Studies Ibid., 60, pp. 17-84, pis. 1-6. of the stratigraphy and the microfossil -- (1947): Stratigraphy and fusulinids of faunas of the Carboniferous and Permian Pre-Desmoinesian Pennsylvanian rocks, Taishaku Limestone in West Japan, No. Llano Uplift, Texas. Jour. Paleont., vol. 1). Trans. Proc. Palaeont. Soc. Japan, N.S., 21, pp. 147-164, pis. 31-33. no. 67, pp. 139-147, pis. 12-13. -- (1948): Studies of American fusulinids. -- (1969): Microfossils of the lowest Univ. Kansas, Paleont. Contr. Protozoa, part of the Taishaku Limestone (Ditto, Art. 1, pp. 1-84, pis. 1-38. No.4). Ibid., no. 75, pp. 119-129, pis. -- (1951): New genera of fusulinid for 12, 13. aminifera. Contr. Cushman Found. Foram. -- & DANNER, W. R. (1973): Late Lower Res., vol. 11, pt. 4, pp. 115-119, pis. 13- Carboniferous Eostaffella and Hexaphyllia 14. from central Oregon. Ibid., no. 91, pp. -- (1965): Pennsylvanian and early Per 151-160, pis. 23, 24. mian fusulinids from Fort St. James SKINNER, J. W. (1931): Primitive fusulinids area, British Columbia, Canada. Jour. of the Mid-Continent region. Jour. Pale Pa/eont., vol. 39, pp. 224-234, pis. 33-35. ont., vol. 5, pp. 253-259, pI. 30. --, PITRAT, C. W. & SANDERSON, G. A. - & WILDE, G. L. (1954): Fusulinid wall (1953): Primitive Cache Creek fusulinids structure. Ibid., vol. 28, pp. 445-451, pis. from central British Columbia. Ibid., 46-52. vol. 27, pp. 545-552, pis. 57-58. -- & WILDE, G. L. (1965): Permian bio YOLE, R. W. (1963): An early Permian stratigraphy and fusulinid faunas of fauna from Vancouver Island, British Shasta Lake area, northern California. Columbia. Bull. Canada Petrol. Ceol., Univ. Kansas Paleont. Contr., Protozoa, vol. 11, no. 2, pp. 138-149. Article 6, pp. 1-98. Trans. Proc.· Palaeont. Soc. Japan, N. S., No. 93, pp. 266-285, pIs. 38, 39, April 20, 1974 630. MOLLUSCAN FOSSILS FROM THE MIOCENE EOIL FORMATION, GAMPO AND ULSAN DISTRICTS, SOUTHEASTERN-SIDE OF KOREA * BONG KYUN KIM Department of Geology, Seoul National University, Korea HIROSHI NODA Institute of Geology and· Paleontology, Faculty of Science, Tohoku University, Japan and SUN YOON Department of Geology, Busan National University, Korea ~OO*i¥illllitim, ift.lJtl!!.~O)~fJftit~ i31111t~{t:Plr: "?1t'-C: ~OO*i¥illll, ~(Wj~tiiit ~~~~~~~~i¥iiiift.lJ~~K ••~~~i3I111tWO)rut:p16.~.IU~, i3*O)~llII~ fkt!!:~lfO) Arcid·Potamid fauna cffJ\~:f1,~~!Ull.nx:cjhiJi~~;: c ~~~/JPt-:o ~ !i.jf;j·!BflIlmWJ·~ ~ Introduction underlying the Eoil Formation, both of the Changgi Group. According to HUZI The Eoil Formation, of which marine OKA (1972) the Changgi Flora corre molluscs are treated in this article, is sponds to the Aniai type flora in north distributed in the Gampo and Ulsan eastern Honshu, Japan. Beside the districts on south to southwest of above, some species of molluscan fossil Yeongil Bay or the southeastern coast of common between Japan and Korea have the Korean Peninsula. This formation been known from the paleontological and the other Neogene deposits are dis works of T ATEIW A (1924), KANEHARA tributed in small areas of the Korean (1936a, b), MAKIYAMA (1926, 1936), HATAI Peninsula. The record of some plant and NISIYAMA (1938), HATAI and Ko and marine molluscan fossils are due TAKA (1952), KIM (1970) and HUZIOKA to TATEIWA (1924), KANEHARA (1936a, (1972). However, the biostratigraphy, b) and KIM (1970). Recently, HUZIOKA especially of the Neogene molluscs, has (1972) stated that the fossil plants, remained untouched. The potamid-arcid named by him the Changgi Flora, was species herein described for the first collected from the Keumkwandong Shale time were collected from the Eoil For * Received June 23, 1973: read June 23, mation in the Gampo and Ulsan districts. 1973 at Niigata. These fossils are significant for the 266 630. Molluscan fossils from Korea 267 correlation of the formations distributed determining the sequence of the for· in southeastern Korea and also with aminiferal fauna of the Neogene forma those in Japan. for their indicating the tions. During his geological survey, Early Middle Miocene age in Korea, KIM (1970) collected some interesting and also for revealing the paleogeo· fossil molluscs from the Eoil Formation graphy of the Asiatic borderland at but they were neither described nor that time. discussed. Some of the fossil molluscs listed by TATEIWA (1924) and Vicarya callosa recorded by KANEHARA (1936b) Acknowledgments were probably from near the locality no. 1 of the writers. To determine the The writers express their hearty exact horizon of the fossil molluscs and thanks to Dr. Kotora HATAI, Professor to know their mode of occurrence, Emeritus of the Tohoku University for therefore, the stratigraphy of the area his continuous encouragement and super was made and the geological notes of vision during the present study. Deep the Gampo district are given in the fol .appreciation is due to Professor Tamio lowing lines. KOTAKA of the Institute of Geology and The stratigraphic succession of the Paleontology, Faculty of Science, To Gampo district can be classified into the hoku University for his kind suggestions Cretaceous Black Shale, Felsophyre, Gra .and discussions on the biostratigraphy nite porphyry, Miocene Gampo Conglo of Korea and Japan. Thanks are ex· merate, Hyodongri Volcanics and Eoil tended to Mr. Kimiji KUMAGAI of the Formation in ascending order. The Tohoku University for his photographic Miocene formations are included into work. the Janggi Group which covers the Cretaceous rocks (Bulgugsa Series) with unconformity. The Gampo Con Geological notes on the occurrence glomerate, the basal part of the Janggi of molluscan fossils Group, is composed mainly of well rounded pebbles of the basement rocks T ATEIWA (1924) seems to have been and of gray coarse· to medium· grained the first geologist to study the geology sandstone with thin intercalations of .around area of the present fossil loco dark gray carbonaceous shale and white alities. He classified the rocks strati tuffs. The Gampo Conglomerate about graphically into the Ch6ki (Janggi), 600 meters in thickness, resembles in Poumgongni (Beomgogri) and Ennichi lithology, especially in containing similar (Yeonil) groups in ascending order in kind of gravels, the Janggi Conglomer his geological maps of the ChOy6 (Gam· ate which is distributed mainly in the po), Kyuryuho (Guryongpo) and Ennichi Yeonil district. The shale intercalated (Yeonil) sheets in the scale of 1: 50,000, in the Gampo Conglomerate has yielded .and their explanation text. The groups abundant plant fossils as mentioned were cut into finer stratigraphic units already by TATEIWA (1924) and KANE based upon their lithology (Table 1). HARA (1936a) and the flora according to Subsequently, the northern part of HUZIOKA is similar to the Aniai type Gampo district was restudied by KIM flora distributed in northeastern Honshu. (1970) for the purpose analysing and Japan. 268 B. K. KIM, H. NODA and S. YOON Table 1. Stratigraphic relationship between the geological maps of Kyiiryiiho (Guryongpo), Ennichi (Yeonil) and Choyo (Gampo) published by TATEIWA (1924). Kyuryiiho Ennichi ChOyo Iseriesbroup (Guryongpo) i (Yeonil) I (Gampo) ..... >. Ennichi Basalt and Ennichi Basalt and I Ennichi Basalt tl-"' ... two Pyroxene Andesite two Pyroxene Andesite I 07::l'" __ ----Unconformi ty------Unconformity--- --Unconformity-~ -Ben .- QJ Ennichi Shale 1::'- I:: ... Sempoku Conglomerate Sempoku Conglomerate (l:1~ ---~----~~------~-Unconformity-~ --Unconformity---- Changam Andesite and Poumgongni Andesite Poumgongni Andesite its Tuff and its Tuff and its Tuff 0. ::l Chinjyoundong Andesite 0... and its Tuff c.!l Manghaisan Andesite 'c and its Tuff bO I:: 0 Chang am Perlite Pangsailni Perlite bO a Kalpyoundong Breccia Kalpyoundong Breccia ::l 0 Y ongdongni Tuff Y ongdongni Tuff a Il. QJ Andongni Conglomerate ..... en en QJ Oaeumni andestic Tuff >. .- m ... --~Unconformity-- ~-Ullconformity-- ~-Unconformity-~ QJ ...>. m Upper basaltic Tuff Upper basaltic Tuff .- Keumori andestic Tuff Keumori andestic Tuff '" .!<: .-..... 0 Upper coal bearing Upper coal bearing Auil Formation and ... .c Formation Formation Auil Basalt QJ U 0. E-< ::l 0... Lower basaltic Tuff Lower basaltic Tuff c.!l Lower coal bearing Lower coal bearing :;;; Formation Formation 0 .c Kyiiryiiho Andesite Keumgoangdong Shale Hyotongni Volcanic U Rocks Sinjyoungdong Andesite I I Nultairi Trachyte Nultairi Trachyte Nultairi Trachyte Tuff Nultairi Trachyte Tuff ChOki Conglomerate ChOki Conglomerate Kampo Conglomerate y-----Unconformity------unconformitY~-I-----unconformity~~ ;;0. Hasouri andestic Tuff O::leno '" ... I Hasouri Andesite ::t:c.!l 4 _____ ; ______; __ --Unconformity--- Cretaceous I System FU:~O~::-~ Fukkokuji Group I Fukkokuji Group The Hyodongri Volcanics distributed unconformity and without the develop in the southwestern corner of the area ment of the Gampo Conglomerate which studied consists of andesite lava and thins out towards the southwestern cor its tuff or tuff breccia. The Hyodongri ner of the area mapped. The strati V olcanics cover directly the Cretaceous graphic relationship between the Gampo black shale and granite porphyry with Conglomerate and the Volcanics is not 630. Molluscan fossils from Korea 269 N YEONGIL BAY LEGEND ~ 1 ~9 ~2 ~3 L:?;.:::j 4 [ITffi 5 []I]J10 I§§ 6 ~11 ~7 ~ BB R' .;'y112 o 5 10 Km *- 13 Text·fig. 1. Index map and fossil localities of the Gampo and Ulsan districts. Geo logical map from KIM (1970). 1: Pohang Formation, 2: Idong Formation, 3: Daegog For mation, 4: Songhagdong Formation, 5: Seoam Conglomerate (Cheonbug Conglomerate), 6: Eoil Formation, 7: Janggi Conglomerate, 8: Mesozoic sedimentary rocks, 9: Hwabongri Formation, 10: Coal bearing formation of Eoil Formation, 11: Tertiary igneous rocks, 12: Mesozoic igneous rocks, 13: Fossil locality. 270 B. K. KIM, H. NODA and S. YOON clear because of their being distributed with unconformity at the eastern side in separated areas. Accordingly, the of the present area, but comes into con stratigraphic situation of the Hyodongri tact with the Cretaceous rocks and Volcanics is due to the relationship be Hyodongri Volcanics with fault trending tween the Janggi Conglomerate and NE-SW at the southern side. The for Nuldaeri Volcanics in the neighbouring mation is distributed zonally from the north of the Yeonil district. The Hyo southwest of Jugjeon-ri to the northeast Formation Lithic characters Section (m) Remarks Upper basalt Eoil 10+ Sandstone Formation Arcid-Potamid ...... '. '. . :: .....: '". Hyondongri :'-::-.-: ___ 6 Sandstone .... ' '. ,',. Volcanics 1.5 Os/rea-bed Campo Os/ rea-bearing Conglomerate 12 siltstone Basement .... -. 15 + Sandstone Text-fig. 2. Stratigraphic sequence of the formations in the area of Gampo, showing the stratigraphic horizon of the molluscan fossils. times intercalated with conglomerates, part of the Eoil Formation (Figs. 1 and sandy shales, siltstones, tuffs and some 2). T ATEIW A (1924) collected from the thin lignite beds. The siltstones and conglomerate bed molluscan fossils tuffs generally contain plant fossils that (KANEHARA, 1936a), such as Natiea sp., have been studied by HUZIOKA (1972) Cerithium sp.. Area sp., Peetunclus sp., and named by him the Changgi Flora. Ostrea sp., Dosinia sp. and Solen sp. The formation is judged to attain a The stratigraphical position of the thickness of more than 800 meters, be newly collected arcid-potamid fauna is cause its upper part is cut by a fault just above the second basalt lava sheet at eastern part of the field. The mol exposed in the road cliff between Son luscan fossils discussed in the present gjeon-ri and Jugjeon-ri (Loc. no. 1, Fig. article were collected from the middle 1). As shown in the columnar section 630. Molluscan fossils from Korea 271 (Fig. 2), the fossils were collected from fossils mentioned above have been found two different stratigraphic horizons of commonly in the Middle Miocene de the same cliff; the lower bed consisted posits distributed along the borderland of gray tuffaceous siltstone yielded of the Japan Sea (NOD A, 1973). mainly Crassostrea gravitesta eoilensis, Since the above stated characteristic n. subsp., and the upper one situated at molluscs bearing formations are distri about 10 meters above the lower bed, buted in separated sedimentary basins consists of hard, massive pale gray, in Korea (KIM, 1970) (Fig. 1), they have poorly sorted, tuffaceous sandstone with been given different formation names_ s\lch characteristic species as Vicarya But from the similar lithostratigraphic callosa japonica, Cerithium sp. (d. kan order of succession and yield of the pokuensis), Anadara kiiensis, Anadara same arcid-potamid fauna such as kakehataensis, Clementia nakamurai, Vicarya callosa japonica, Vicaryella Cyclina japonica and others (Table 2). ishiiana, Anadara Iwkehataensis, Dosinia The sandstone bed of about 10 meters nomurai, Cyclina japonica, Clementia in thickness inserted between the fos nakamurai, Soletellina minoensis and siliferous siltstone and sandstone men others (Table 2), the Eoil Formation in tioned above is non-fossiliferous. the north and the Jeongjari Conglomer The characteristic marine molluscan ate in the south should be correlated Table 2. Molluscan fossils from the Eoil Formation. Localities I no. 1 no. I-I! no. 3 - Species no. 2 I Anadara (Anadara) kiiensis MIZUNO --- + Anadara (Hataiarca) daitokudoensis (MAKIYAMA) I + Anadara (Hataiarca) kakehataensis RATAI and NISIYA:VIA I + + + Glycymeris sp. + Crassostrea gravitesta eoilensis KIM, NODA and YOON, n. subsp. + " Ostrea" sp. + Thyasira sp. + Dosinia (Phacosoma) nomurai OTUKA + + Cyclina (Cyclina) japonica KAMADA + + + Clementia (Clementia) nakamurai OTCKA + + + Soletellina minoensis YOKOYAMA + + + Panope d. nomurae KAMADA I I + Vicarya (Shoshiroia) callosa japonica YABE and RATAI + + + Vicaryella ishiiana (YOKOYAMA) + Vicaryella sp. + Cerithidea sp. (d. kanpokuensis MAKIY AMA) + Loc. no. 1: South of Songjeon-ri, Yangbug-myeon, Weolseong-gun, Gyeongsangbug-do. Loc. no. 1-1: About 6 meters below at the same locality of no. 1. Loc. no. 2: About 3 km west of Jeongja-ri, Gangdong-myeon, Ulju-gun, Gyeongsangbug-do. Loc. no. 3: About 1 km east of Jangmyeong-gol, Sinhyeon-ri, Gangdong-myeon, Ulju.gun, Gyeongsangbug-do. 272 B. K. KIM. H. NODA and S. YOON with each other (Loc. nos. 2 and 3 in are distributed along the eastern border Fig. 1). This correlation will contribute land of the japan Sea except the Yoshi to the interpretation of the geological no and Asagawa formations. Among problems of the Tertiary System in the molluscan species of the Eoil For Korea and also serve to make clear the mation, Anadara kiiensis, Anadara kake relation between the Tertiary deposits hataensis and Anadara daitokudoensis distributed on opposite sides of the are particularly important because they Japan Sea. are the representative forms of the Natorian of HATAI (1962) and also be cause they usually occur in association Remarks on the molluscan fauna with the Vicarya- Vicaryella species of the Eoil Formation which have equal biostratigraphical value. Those Anadara species like the The molluscan fauna collected from two gastropod genera just mentioned three isolated localities (Fig. 1) of the are restricted in their geological distri Eoilo Formation consists of 9 pelecypod butions. The occurrence of Anadara and 4 gastropod species. The preserva kakehataensis, Anadara kiiensis and tion of the fossils are rather good eve? Anadara daitokudoensis refer them to though they were collected from a pale the zone of Anadara kakehataensis gray, poorly sorted, tuffaceous sandstone Anadara makiyamai of NODA (1966) in with plant fragments. The molluscan terms of anadaran biostratigraphy. Tl:le fauna although a small one, is important anadarid zone was correlated by NODA for the age determination and correla (1966) with the stage II of KITAMURA tion of the formation with other areas, (1959), Nanaochlamys notoensis Assem and the assemblage serves for the inter blage zone of MASUDA (1962a), Turritella pretation of the paleoecological condi s-hataii zone of KOTAKA (1959) and the tions under which the formation was Natorian of HATAI (1962). deposited. Beside the anadarids, Cyclina japonica, The fauna of the Eoil Formation Clementia nakamurai, Dosinia nomurai, is characterized by Vicarya-Anadara Soletellina minoensis. Vicarya callosa species (Potamid-Arcid Fauna of TSUDA, japonica. Vicaryella ishiiana, Cerithium 1965) and the assemblage resembles that kanpokuensis usually occur in associa of the formations which yielded the tion with the arcid-potamid fauna in Vicarya-Anadara species in the japanese japan (NODA, 1973). The vicaryan gas Islands (NODA, 1973), namely the Yoshi tropods from the Eoil Formation are no Formation in Okayama Prefecture, identified with Vicarya callosa japonica Kunimi Formation in Fukui Prefecture, - Y ABE and HATAI and Vicaryella ishiiana Higashi-Innai Formation in Ishikawa (YOKOYAMA), species that are known Prefecture, Kurosedani Formation in from the Natorian formations cited in Toyama Prefecture, Tsugawa and Orito earlier lines. From the assemblage of formations in Niigata Prefecture, Oyama the Eoil Fauna, the Eoil Formation is Formation in Yamagata Prefecture, Asa inferred to belong to the same paleo gawa Formation in Ibaraki Prefecture, geographical province as the formations Tanosawa Formation in Aomori Prefec mentioned above. ture and Tsurikake Formation in Hok Some species such as Anadara daito kaido. All of these stratigraphic units kudoensis, Clementia nakamurai, Cyclina 630. Molluscan fossils from Korea 273 japonica and Soletellina minoensis were Area d. eamu/oensis, YOKOYAMA, 1929, p. found with conjoined valves in natural 368, pI. 70, figs. Sa-c. position and some specimens of Vicarya Anadara (Pectin area) kiiensis Mrzc);o, 1953, and Vicaryella are provided with well p. 16, figs. Sa, 5b. Anadara (Anadara) kiiensis Mrzu;--;o, NODA, preserved tubercles. From the state of 1966, p. 92-93, pI. 6, figs. 13-15. preservation of the fossils in the Gampo and Ulsan districts, the Eoil fauna may The present species was originally be ~{l.ns-idered to have been autochtho described from the Miocene Mitsuno nous and probably the molluscs lived Formation in Wakayama Prefecture by under a rather warm water embaymental MIZUNO in 1953 based upon immature condition. forms. Subsequently NODA (1966) re The present description is the first of ported on the adult forms from the the Vicarya-Anadara fauna from the Miocene Yoshino Formation in Okayama Eoil Formation from the Gampo district, Prefecture. though KIM (1970) recorded some species The present species is characterized of the arcid-potamid without discussion by having 28 non-dichotomous radial or description. The present writers dis ribs, squarish in cross section with gra criminated an arcid-potamid fauna such nules on the anterior side, without a as Vicarya callosa japonica, Vicaryella posterior depressed area, convex and ishiiana, Anadara kakehataensis, Cyclina swollen umbonal area, incurved beak japonica, Dosinia japonica, Clementia and narrow triangular ligamental area nakamurai, Soletellina minoensis from a with chevron-shaped grooves. formation that corresponds to the Eoil Kiiensis resembles Anadara (Hataiarca) Formation at ]eongjari in the north kakehataensis HAT AI and NISIY AMA eastern part of Ulsan (Fig. 1). Thus (1949) originally described from the the geographical distribution of the Miocene Kurosedani Formation in Toya arcid-potamid fauna along the eastern ma Prefecture in the swollen form and side of the Korean Peninsula seems to characteristic radial ribs but the latter form a key to the geological correlation, has strongly depressed area along the paleogeography and paleooceanography. posterior side. Anadara makiyamai HA And here it should be added that the TAl and NISIYAMA (1938) from the Mio biostratigraphic relationship between cene Heiroku Formation in North Korea the Neogene of the northern and south resembles the present species but the ern parts of the Korean Peninsula still former differs from the latter by hav remain to be worked out. ing 24-25 radial ribs and· flatly narrow umbonal area. Anadara ninohensis (OTUKA, 1934) is similar to the present Descriptions of species species in the non-dichotomous radial ribs arid rather squarish, 28-30 radial Genus Anadara GRAY, 1846 ribs, but the latter has wider swollen, Subgenus Anadara s. s. convex umbonal area and inclined beak. Locality and Formation:-Loc. no. 1, Anadara (Anadara) kiiensis Eoil Formation. MIZUNO, 1953 PI. 38, figs. la, 1b, 11 Subgenus Hataiarca NODA, 1966 274 B. K. KIM, H. NODA and S. YOON Anadara (Hataiarca) daitokudoensis Anadara (Hataiarea) kakehataensis RATA I (MAKIYAMA, 1926) and NISIYAMA, NODA, 1966, p. 116, pI. 2, fig. 17, pI. 13, figs. 7-8, 10-15, 21; NODA, Pl. 3~ figs. 8a, 8b, 12 1973, pI. 18, figs. 1, 3-16. Anadara sp., KASE1\o, 1956, pI. 1, figs. 4a-b; Area (Anadara) daitokudoensis MAKIY AMA, I\\'AI, 1960, pI. 24, figs. 6a-b. 1926, p. 153-154, pI. 12, figs. 10, 14, 15. Anadara daitokudoensis MAKIY AMA, MAKI The present species was originally Y AM A, 1936, p. 205; OTUKA, 1938b, p. 25, described from the Miocene Kurosedani pI. 1, figs. 3-4. Formation in Toyama Prefecture by Anadara (Hataiarca) daitokudoensis (MAKI' HATAI and NISIYAMA in 1949. The YAMA), NODA, 1966, p. 115-116, pI. 7, fig. species is characterized by the depressed 13. area along the posterior side extending The present species was originally from the beak to the ventral margin, described from Miocene Heiroku Forma wide triangular ligamental area with tion in North Korea by MAKIY AMA in rather sharp chevron shaped grooves, 1926. It is characterized by the de 24-26 strongly elevated radial ribs with pressed area along the posterior side of granules on their anterior part. the shell extending from near the beak Kakehataensis resembles Anadara to the ventral margin, 27-28 strongly (Hataiarca) shimonakaensis HAY ASAKA elevated, non-dichotomous radial ribs (1969) from the Miocene Kawachi For and rather narrow triangular ligamental mation in Kagoshima Prefecture in shell area with chevron-shaped grooves. form and number of the radial ribs, but Daitokudoensis resembles Anadara the former differs from the latter in (Hataiarca) kakehataensis in having de having more radial ribs, smaller shell pressed area and granules on the an height and more elongated shell. The terior ribs and also in the shell form, differences from the Pliocene species, but the former has a larger number of Anadara (Hataiarca) kogachiensis from the radial ribs than the latter. Okinawa Prefecture were already men Locality and Formation :-Loc. no. 1. tioned by NODA (1971). Eoil Formation. Locality and Formation :-Loc. nos. 1, 2, 3, Eoil Formation. Anadara (Hataiarca) kakehataensis Genus Crassostrea SACCO, 1897 HATAI and NISIYAMA, 1949 Crassostrea gravitesta eoilensis, PI. 38, figs. 10, 13, 14 n. subsp. Anadara (Anadara) kak'ehataensis RATAI and NISIY AMA, 1949, p. 88-89, pI. 23, figs. 8- PI. 38, fig. 15, PI. 39, figs. la-Ie 10; MASUDA, 1955, pI. 19, figs. 2a-b (no description) . Shell very heavy, stout and thick, in Anadara kakehataensis RATAI and NISIYAMA equilateral, much higher than long. KAsENo, 1956, p. 5, pI. 1, fig. 2; IWAI: Right valve somewhat convex, external 1960, p. 204, pI. 24, fig. 4; FUJ[[, 1961, p. surface smooth with fine concentric 496-497, pI. 27, figs. 1a-c, 3a-b; KITA growth lines. Younger shell somewhat MURA and IWAI, 1963, pI. 2, figs. 4, 6a roundly quadrate with strongly incurved b (no description). and inclined anterior beak. Umbonal 630. Molluscan fossils from Korea 275 area fiat. Anterior and posterior mar cene (NOMURA and HATAI, 1937), Pleisto gins rather straight and nearly parallel cene (HAY AS AKA, 1960; ARAKI, 1959) with each other. Ligamental pit rather and Recent (W AKIY A, 1929; HIRASE, 1930 wide and deep. Inner surface smooth. and others). However, the present sub Muscle scar large, rounded in form. species differs from the above cited Growth lamellae oblique in lateral view. species in having roundly-quadrate shell Young shell lamellae highly inclined form in the young stage and enlarged against height of shell. Left valve shell form at the adult stage, with in rather fiat, roundly quadrate. Surface curved, fiat beak, and series of growth smooth with fine concentric growth lines. lamellae. The characteristic of the Beak near central part of hinge, um present subspecies resembles the young bonal area fiat. Both anterior and pos stage of Osl1'ea gravitesta and the adult; terior margins long, nearly straight and form of Ostrea gigas. nearly parallel, ventral margin narrowly Ostrea gigas from the Shigarami For and somewhat arcuated, anterior and mation (KURODA, 1931) and Ostrea gra posterior corners rather angular. Liga vitesta from the Tatsunokuchi Forma mental pit narrowly elevated with dis tion (NOMURA, 1938), both of Miyagian tinct grooves on both sides. Inner sur age, occurred in crowded form but not face smooth, muscle scar rounded in as banks; they resemble the present form. subspecies in shell form and growth The specimens at hand are somewhat form in the adult stage but differ in incomplete but the right valve (Holotype) shell form at the immature stage. They measures 31 cm in height and 9.5 cm in rather resemble Ostrea gravitesta in shell length and the left valve (Paratype) form. Both of these species were once 28.8 cm in height and lOA cm in length. considered to be synonymous with Comparison and Affinities:-The pre Ostrea gigas by HAYASAKA (1960) and sent new subspecies is characterized others. Such data are important to by the very high, large and thick shell. trace the phylogenetical trend of Ostrea The young shell form resembles that of gravitesta to such Recent forms as Ostrea gravitesta YOKOYAMA (1926b) Ostrea gigas and its allied species. which was originally described from From the ecological point of view the Miocene Takasaka Bed in Akita concerning the mode of occurrence and Prefecture. YOKOY AMA'S species seems shell form, by HAYASAKA (1960) and to be restricted to shallow and brackish OHSHIMA (1971), it is of interest to note warm water facies of Early Miocene the following. HAY ASAKA (1960) pointed formations. Ostrea gravitesta is distin;; out that the large sized Ostrea gravitesta guishable from the present subspecies has been usually recorded sporadically by the stout, thick rather fiatly rounded in occurrence but not as bank-builder shell form at the adult stage. Ostrea and is a representative form seems to. gravitesta and' the present new sub have resulted from the high sea water species have different shell form at the temperature of the Early Miocene. The young and adult stages with each other. elongated Ostrea gigas found to occur Ostrea gigas THUNBERG is allied with as bank in the Pleistocene is considered the present subspecies. Some Ostrea to bea rather cool water form. W AKI·YA gigas with very long and enlarged shell (1929) stated in his study 'of the Japanese form have been recorded from the Mio- food oyster 'fthe shell (Ostrea.laperousii) 276 B. K. KIM, H. NODA and S. YOON also varies according to environment as new species. This species resembles much as with age. Those that live on the present species in the shell form a soft bottom have a much more elong but ITOIGAW A's species has a stepped ated shell than those living on a h.arder depressed area along the posterior side bottom". of the shell. Though many species of Considering the above cited researches, the genera Thyasira and Conchocele have the present specimens seem to have a been recorded in japan and the adjacent different mode of shell growth as com countries by many paleontologists, it is pared with Ostrea gravitesta and Ostrea difficult to identify immature forms be gigas though the elongated shell form cause the species sometimes shows might be caused by the crowded occur varied forms in the growth series. The rence as pointed out by HAYASAKA record of the genus from the present (1960). The associated fauna and sedi formation is significant so far as the mentary facies of the present new sub paleoecology of the fauna is concerned. species are similar with those of the Locality and Formation:-Loc. no. 1, formations which yielded Ostrea gra Eoil Formation. vitesta in japan. Locality and Formation:-Loc. no.1-I, Eoil Formation. Genus Dosinia SCOPOLI, 1777 Subgenus Phacosoma JUKES BROWNE, 1912 Genus Thyasira LEACH III LAMARCK, 1818 Dosinia (Phacosoma) nomurai OTUKA, 1934 Subgenus Thyasira s. s. PI. 38, figs. 3a, 3b Thyasira (s. s.) sp. Dosinia japonica nomurai OTUKA, 1934, p. PI. 38, fig. 7 618, pI. 48, fig. 54; OTUKA, 1937, p. 29, pI. 3, figs. 3-4. The present species is characterized Dosinia nagaii OTUKA, 1934, p. 618, pI. 48, by its small trapezoidal form with nar fig. 55. row depressed area along the posterior Dosinia nomurai, NOMURA, 1935, p. 217, pI. side of the shell. The shell surface is 17, fig. 7; NOMURA, 1940, p. 26-27; ITO! sculptured with concentric growth lines. GAWA, 1956, pI. 2, fig. 3; UOZUMI and The inner surface is smooth with very FU]IE, 1966, p. 151-152, pI. 12, figs. 3-11 ; fine striations. The beak is small, in TANAKA, 1967, p. 58, pI. 6, figs. 6-7. curved and situated anteriorly. The Dosinia chikuzenensis NAGAO, HIRAYAMA, species is not identified because of its 1956, pI. 7, figs. 14-15 (Reproduction of ill-preservation. OTUKA, 1934). Dosinia (Phacosoma) chikuzenensis nomurai The genus Thyasira is a rather com OTUKA, KAMADA, 1962, p. 112-113, pI. 12, mon genus in the northern part of the figs. 4, 5, 7-10. Pacific Ocean, although it is distributed Dosinia (Phacosoma) chikuzenensis nagaii to southern areas of warm water. From OTUKA, KAMADA, 1962, p. 113-114, pI. 12, the Miocene Oidawara Formation in fig. 6. Gifu Prefecture, ITOIGAWA (1960) des Dosinia (Phacosoma) nomurai OTUKA, MASU cribed Thyasira (s. s.) minoensis as a DA, 1962b, p. 30-32, pI. 1, figs. 1-9; 630. Molluscan fossils from Korea 277 OGASAWARA, 1973, p. 149-150, pI. 12, figs. Locality and Formation :-Loc. nos. 1, 17, 20-21; HIRAYAMA, 1973, p. 176, pI. 2, 3, Eoil Formation. 15, fig. 14. The specific characteristics were al Genus Clementia GRAY, 1842 ready discussed by HATAI (1938), HIRA YAMA (1956) and MASUDA (1962b). The Subgenus Clementia s. s. Korean species has rather swollen shell, fine concentric growth lines, small lunule Clementia (Clementia) nakamurai and defined pallial line; these features OTUKA, 1938 characterize the named species. PI. 38, figs. 5, 6a, 6b Locality and Formation :-Loc. nos. 2, 3, Eoil Formation. Clementia speciosa, YOKOYAMA, 1925b, p. 119, pI. 14, fig. 7. Clementia nakamurai OTlJKA, 1938a, p. 14-15, Genus Cyciina DESHA YES, 1850 pI. 1, figs. 7, 11; ARAKI, 1960, p. 97, pI. 7, figs. 7a-c. Subgenus Cyciina s. s. The present species was originally Cyciina (Cyciina) japonica described from the Miocene Shiroyama KAMADA, 1952 Sandstone in Shizuoka Prefecture by PI. 38, fig. 9 OTUKA in 1938a. The species is charac terized by its rough concentric growth Cyclina chinensis, YOKOYAMA, 1926a, p. 222, lines and folds with nearly straight pI. 28, fig. 7. posterior margin and narrow anterior Cyclina (Cyclina) japonica KAMADA, 1952, p. one. 168-169, pI. 15, figs. 1-2; KAMADA, 1962, In the original description, OTUKA p. 115-116, pI. 13, fig. 4. mentioned the difficulty of the identi Cyclina -japonica KAMADA, KASENO, 1956, p. fication of Clementia species based upon 6, pI. 2, figs. 8a-d; IWAI, 1965, p. 41-42, pI. 13, figs. 3, 4. the external morphology. The present species is allied to Clementia japonica The present species was originally MASUDA (1955) which was described described from the Miocene Higashi from the Miocene Higashi-Innai Form Innai Formation in Ishikawa Prefecture ation but the latter differs from the by KAMADA in 1952. The species is former in not having so strong wavy characterized by the higher than long, concentric growth lines and elongated inequilateral shell, inclined beak, convex shell. Clementia vatheleti MABILLE re posterior side, sculpture of narrow sembles the present species but differs longitudinal ribs crossed with very fine from the latter in having more convex growth lines and triangular sinuated shell and rounded form. Clementia pallial line. papyracea (GRAY) shows more variation The present species resembles Cyciina in shape as already mentioned by SHUTO (Cyciina) orientalis (SOWERBY), a Recent (1960) but can be distinguished from the shell, in form and shape of sinuated present species by the short dorsal pallial line but the latter species has margin. rather more distinct striations than the Locality and Formation:-Loc. nos. 1, former. 2, 3, Eoil Formation. 218 R"K. KIM, H. NODA and S. YOON Genus Soletelliria DE" BLAINVILLE, 1924 from Panope japonica ADAMS, a common species in the seas around northeastern Soletellina minoensis YOKOYAMA. 1926 Japan and in the Pliocene to Pleistocene ~I. 38,. fig. 4 of Japan by the proportion of shell length to height. However, as already Soletellina minoensis YOKOYAMA, 1926a, p. mentioned by NOMURA (1938), KAMADA 221, pI. 28, figs. 13-16; MAsuDA, 1955, pI. (1962), AKUTSU (1964) and HATAI (1964), 19, fig. 9;. KAMADA,.196?, p .. 126.-127, pI. considerable morphological changes can 14, fig. 7; UOZUlv!l and JUJIE, 1966, pI. be recognized in "Panope japonica .. '~ 12, fig. 12. - '. from the Miocene to Recent of Japan. Sanguinolaria (Soletellina) minoensis (YOKO YAMA), OTUKA, 1934, p.619, pI. 49, figs. Accordingly, some species, Panope kano- ., 65a-b ; OYAMA and SAKA, ~,944~ .p'. 141, 11latazawaensis, Panope kanomatazawa pI. 15, figs. 17-18. .' :' ensis fudoensis and also Panope n011lurae Soletellina d. minoensis YOKOYA.~IA, KA.SE~O, were discriminated. The present speci 19~6; .p. 6, pI. 3, figs. 14a-c.·· .... '.' men in this connection resembles Panope japonica of KANNO (1960) described from Some conjoined shells were examined. the Miocene Nagura Formation in Sai The.. specie~ . is characterized by. its tama Prefecture and which is clearly e.iongated form, short anterior side and distinguishable from Panope japonica A. elong~t~d ppsterior side. Both sides. ADAMS, a Recent species. The specimen a~e rounded and the ventrai margin is described under the names of Panope bro'a~l:Y c.Ul:ved .. A small. beak is situated japonica, Panope generosa and also Panope a;nt~l:io~ly. . Im?-er characteristics are not estrellana should be re-examined. known. The named species was origi-. The usage of the generic name Panope nally' described' from the Tsukiyoshi has been subjected to discussion' but Formation in GUu Prefecture by YOKO from the International code of zoological Y AMA in ~926a. .. nomenclature, STOLICZKA (1871), DALL Locality and For11lation:-Loc. nos. 1, (1912), OLDROYD (1924), STEWART (1930). 2, 3: ~oil Formation...... GRANT and GALE (1931), KANNO (1957, 1960) all favor to use the generic name and it seems at present Panope of Genus Panppe MENARD, 1807 . . MENARD, 1807. Fanope' cf. nom'urae KAMADA, 1962 Locality and Formation :-Loc. no. 3, Eoil Formation. PI. 38, fig. 2 C~mpared with:-Panope nomurae KAMADA, Genus Vicarya D'ARCHIAE and KAMADA, 1962, p. 135-136,. pI. 16, figs. HEIME,1954 9-12. . Subgenus Shoshiroia KAMADA, 1960 The present specimen is characterized by its transversely elongated form; both Vicarya (Shoshiroia) callosajaponica extremities 'rather narrowly rounded, YABE and HATAI, 1938 anterior and posterior dorsal margins PI. 39, figs. 4, 5 slender and surface with wavy concentric growth lines. Panop.e n011lurae, accord Vicarya baculum YOKOYAMA, 1926a, p; 219, ing to KAMADA (1962) is .distinguishable pI. 28, figs. 4-6. 630. Molluscan fossils from Korea 279 Vicarya vernuili, MAKIYAI-IA, 1932, pl. 1, fig. morphological differences among the 5. Japanese species seem to be not signi Vicarya callosa JENKINS, TAKEYAMA, 1933, ficant ", and he wrote that the specie~ p. 137-140, pl. 13, fig. 3. from the Pitogo Formation in the Philip~ Vicarya callosa japonica SAGA (MS) , YABE pines is closer in shell form and surface and RATAI, 1938, p. 156-157, pl. 21, figs. 12-13, 21-22, 28, 31. ornamentation to Vicarya callosa from Vicarya callosa japonica YABE and RATAI, the type locality of Java than that from MASUDA, 1955, p. 125; MASUDA, 1956, pl. Japan. From the many literatures and 26, figs. la-b; Y AMANA, 1966, p. 34, pl. specimens preserved in the Institute of 1, figs. la-b. Geology and Paleontology, Faculty of Vicarya ct. callosajaponica YABE and RATAI, Science, Tohoku University, the speci IWAI, 1960, p. 206-207, pl. 24, figs. 1a-b, mens from South Korea are identified to 2; KITAMURA and IWAI, 1963, pl. 2, figs. Vicarya callosa japanica described by 1-2. YABE and HATAI in 1938. Vicarya callosa forma japonica SAGA (MS) , Locality and Fonnation :-Loc. nos. 1, OTATUME, 1943, p. 314, fig. l. 2, 3, Eoil Formation. Vicarya (Shoshiroia) callosa japonica Y ABE and RATAI, KAyIADA, 1960, pl. 30, figs. 2a-b, 7, 8, pI. 31, figs. 2a-b; KAMADA, 1967, pI. 7, figs. 3-5; RAYASAKA, 1969, Genus Vicaryella Y ABE and p. 48-49, pI. 3, figs. 7-8. HATAI, 1938 Several specimens were examined. Vicaryella ishiiana (YOKOYAMA, 1926) The species is characterized by 9-10 distinct sub sutural tubercles on the Pl. 39, fig. 2 penultimate whorl, flat on upper side Cerithium baculum YOKOYAMA, 1925a, p. 12, and inclined on the lower side with pI. 2, fig. 6. spiral lines on a suture and somewhat Cerithium ishiianum YOKOYAMA, 1926a, p. conical shape of suture. YABE and 218, pI. 28, figs. 11, 12. HATAI (1938) recognized two subspecies Cerithiu1n (Proclava) otukai NOMURA, 1935, among Vicarya callosa; one is callosa s. s, p. 227, pl. 17, fig. 7. and other is callosa japonica based upon "Vicaryella" ishiiana (YOKOYAMA), YABE the shape of the tubercles and develop and RATAI, 1938, p. 169. Vicaryella ishiiana (YOI>:OYAMA), OYAMA and ment of grooves over the tips of the SAKA, 1944, p. 139-140, pI. 14, figs. 7a- tubercles. This classification has been 8b; KAMADA, 1960, pI. 31, figs. 4a-b; accepted by MATSUO (1951), MASUDA KA!vIADA, 1962, p. 152, pI. 18, figs. 15-16; (1955, 1956), IWAI (1960), KAMADA (1960, MASUDA, 1967, p. 1-2, pl. 1, figs. la, 2b. 1967), YAMANA (1966) and HAYASAKA ·(1969). Whereas IKEBE (1939) questioned The present species is distinguished the differences between Vicarya callosa from Vicaryella notoensis MASUDA (1956), and Vicarya callosa japonica and con which was originally described from cluded (IKEBE, 1952) that Vicarya callosa the Miocene Higashi-Innai Formation in should not be separated into subspecies Ishikawa Prefecture, in having more by the shape of the tubercles. Although tubercles on the fine spiral cords. he examined the tubercles of Vicarya Vicaryella tyosenica Y ABE and HAT AI, callosa from Java, he did not figure the 1938, the type species of the genus, species. IWASAKI (1970) stated that .. the which was originally described from 280 B. K. KIM, H. NODA and S. YOON the Miocene Heiroku Formation in North tural part is broken. Cerithidea kanpo Korea, is another species allied to the kuensis (MAKIY AMA), comparable with. present one but the species is charac the present specimen was originally des terized by conspicuous tubercles and cribed from the Miocene Heiroku For four or five spiral cords with small mation in North Korea by MAKIY AMA. beads. in 1926. That species has been recorded. Locality and Formation :-Loc. no. 3, from the Miocene Higashi-Innai For-· Eoil Formation. mation in Ishikawa Prefecture (MASUDA, 1967), and Kawachi Formation in Kago shima Prefecture (HAY ASAKA, 1969) but Vicaryella sp. the specimens from the recorded for mations are all small in size compared PI. 39, fig. 3 with the specimen from the Eoil For The poorly preserved specimens at mation. hand show no distinct tubercles on the Locality and Formation :-Loc. no. 1,. sub sutural area. The specimens possess Eoil Formation. the vicaryellid aperture and spiral cords but lack such beaded tubercles as seen on Vicaryella tyosenica Y ABE and HAT AI, References Cited V. ishiiana and V. jobanica. In this AKUTSU, J. (1964): The geology and pale respect the present specimens are rather ontology of Shiobara and its vicinity, more similar to V. notoensis MASUDA Tochigi Prefecture. Sci. Rep., Tohoku (1956). MASUDA's species is charac Univ., 2nd Ser., vol. 35, no. 3, p. 211- terized by having many small beaded 293, pis. 57-66, figs. 1-15, tabs. I-II. spiral cords. Unfortunately the speci ARAKI, Y. (1959): A Pleistocene marine mens from the Eoil Formation can not fauna from near the cities of Tsu and be named until additional and better Yokkaichi, Mie Prefecture, Southwest material is obtained. Japan. Trans. Proc. Paleont. Soc. Japan,. N.S., no. 33, p. 19-22, pI. 4. Locality and Formation :-Loc. no. 1, - (1960): Geology, paleontology and sedi Eoil Formation. mentary structures (including Problem atica) of the Tertiary formation deve-· loped in the environs of Tsu City, Mie Genus Cerithid~a Sw AINSON, 1840 Prefecture, Japan. Bull., Lib. Arts Dep.,. Mie Univ., Spec. Vol., no. 1, p. 1-118,. Subgenus Cerithidea s. s. pIs. 1-11, tabs. 1-6, section 1, 3 maps. Cerithidea (s. s.) sp. Cox, L. R., et al., (1969): Bivalvia in Moore,. R. C. (ed.). Treat. Invert. Paleont., Part PI. 39, fig. 6 N, Vol. 2 (of 3), p. N491-N952, figs. E1- H2. Ceol. Soc. Amer. and Univ. Kansas Compared with :-Potamides (Cerithidea) kan Press. pokuensis MAKIYAMA, 1926, p. 149, pI. 12, DALL, W. H. (1912): Note on the genus. figs. 2, 3. Panope, MENARD. Proc. Malac. Soc. London, vol. 10, pt. 1, p. 34-35. The specimen (unnamed) is charac FUJII, S. (1961): Some Miocene arcid fossils. terized by its high conical shell with 9- from Japan, Part 2. On Anadara kake-· 11 longitudinal folds and rather distinct hataensis and its allies. Venus, vol. 21, spiral cords on the sutures; the aper- no. 4, p. 488-499, pI. 27, figs. 1-3 (in 630. Molluscan fossils from Korea 281 Japanese). basin, Saitama Prefecture, Japan. Sci. GRA:\T, U. S., and GALE, R. H. (1931): Rep., Tohoku Univ., 2nd Ser., SPec. Vol., Catalogue of the marine Pliocene and no. 6 (Hatai Memorial Volume), p. 163- Pleistocene Mollusca of California and 177, pI. 1, figs. 1-3, 1 table. adjacent regions. Mem., San Diego Soc. liezloKA, K. (1972): The Tertiary floras of Nat. Hist., vol. 1, p. 1-1036, pis. 1-32, Korea. jour. Min. Col/., Akita Univ., figs. 1-15. Ser. A, vol. 5, no. 1, p. 1-83, pis. 1-14, HATAl, K. (1938): On some species of fossil figs. 1-15, tabs. 1-2l. Dosinia from Japan. Japan. Jour. Ceol. IKEBE, N. (1939): On some specimens of Ceogr., vol. )5, nos. 1-2, p. 47-65. Vicarya. Jour. Ceol. Soc. japan, vol. 46, -- (1962): Mizuho To. Sci. Rep., Tohoku no. 533, p. 542-546. (in Japanese, original Univ., 2nd Ser., SPec. Vol., no. 5, p. title translated). 329-348. -- (1252): On Vicarya callosa japonica -- (1964): On the faunal succession of Y ABE and HATA!. Cenozoic Res., no. 12, mega·fossils during the Neogene in p. 15-16. (in Japanese, original title Northeast Japan. Fossils, no. 7, p. 9-10, translated) . 1 table. (in Japanese). ITolGAWA, J. (1956): Molluscan fauna of --, and KOTAKA, T. (1952): On some the Tsuzuki Group in Kyoto Prefecture, Lower Miocene marine shells. Short Japan. Mem., Coli. Sci., Univ. Kyoto, Papers, Inst. Ceol. Paleont. Tohoku Univ., Ser. B, vol. 23, no. 2, p. 179-192, pis. 1- no. 4, p. 70-86, pI. 7. 3, figs. 1-2. --, and NISIYAMA, S. (1938): Remarks on -- (1960): Paleoecological studies of the certain fossils from the borderland of Miocene Mizunami Group, Central Japan. the Japan Sea. Japan. Jour. Ceol. Ceogr., jour., Earth Sci., Nagoya Univ., vol. 8, vol. 16, nos. 1-2, p. 123-154, pI. 9. no. 2, p. 246-300, pis. 1-6, figs. 1-4. --, and --, (1949): New Tertiary Mol· IWAI, T. (1960): A new locality of the lusca from Japan. Jour. Paieont., vol. Vicarya fauna from Aomori Prefecture. 23, no. 1, p. 87-94, pis. 23-24. Trans. Proc. Paleont. Soc. japan, N. S., HA YASAKA, S. (1960): Large·size oysters no. 37, p. 201-208, pI. 24. from the Japanese Pleistocene and their -- (1965): The geological and paleonto paleoecological implications. Sci. Rep., logical studies in the marginal area of Tohoku Univ., 2nd Ser., Spec. Vol., no. Tsugaru basin, Aomori Prefecture, 4, p. 356-370, pis. 37-38, figs. 1-7, tabs. Japan. Bull., Educ. Fac., Hirosaki Univ., 1-2. no. 15, p. 1-68, pis. 1-20, figs. 8-9, tabs. -- (J969): Molluscan fauna of the Kuki· 22-3l. naga Group in Tanega·shima, South IWASAKI, Y. (1970): Miocene molluscan Kyushu, Japan. Rep., Fac. Sci., Kago fauna in the Philippines. Trans. Proc. shima Univ., no. 2, p. 35-52, pis. 1-3, fig. Paleont. Soc. japan, N. S., no. 77, p. 205- 1, tabs. 1-2. 228, pI. 23, figs. 1-6. HlRASE, S. (1930): On the classification of KAl\IADA, Y. (1952): On some species of Japanese oysters. Japan. Jour. Zool., vol. Cyclina from Japan and Korea. Ibid., 3, no. 1, p. 1-65, figs. 1-95. no. 6, p. 167-173, pI. 15. HIRAYAMA, K. (1956): Tertiary Mollusca -- (1960): On the associated occurrence from Hikoshima, Yamaguchi Prefecture, of Vicarya and Vicaryella in the Jap Japan, with remarks on the geological anese Tertiary, with the first description age of the "Ashiya fauna". Sci. Rep., of a paleogene species of Vicarya from Tokyo Kyoiku Daigaku, Sec. C, vol. 5, no. Japan. Sci. Rep., Tohoku Univ., 2nd 45, p. 81-127, pis. 6-8, 1 fig. Ser., Spec. Vol., no. 4, p. 281-295, pis. -- (1973): Molluscan fauna from the 30-3l. Miocene Hiranita Formation, Chichibu (1962): Tertiary marine Mollusca from 282 B. K. KIM, H. NOD A and S. TOON the Joban Coalfield, Japan. Paleont. Soc. title translated). Japan, SPec. Papers, no. 8, p. 1-187, pis. MAKIY AMA, J. (1926): Tertiary fossils from 1-21, figs. 1-2, tabs. 1-2. North Kankyo-do, Korea. Mem., Coil. -- (1967): Record of Vicarya from the Sci. Kyoto Imp. Univ., Ser. B, vol. 2, no. Ashiya Group in Shimonoseki City. 3, p. 143-160, pis. 12-13. Contr. Celleb. Prof. I. Hayasaka's 76th -- (1932): Neogene. Iwanami Koza, Iwa Birthday, p. 175-179, pI. 7, fig. 1. (in nami Book. Co., p. 1-57, pI. 1. (in Jap Japanese, original title translated). anese, original title translated). KANEHARA, K, (1936a): Neogene shells from -- (1935): The Meisen Series of North South Chosen (Korea). Japan. Jour. Ceol. Korea. Chikyu, vol. 24, no. 1, p. 1-9. (in Ceogr., vol. 13, nos. 1-2, p. 31-37, pI. 10. Japanese, original title translated). -- (1936b): The geology of the northern -- (1936): The Meisen Miocene of North part of Geizitu district, Korea. Jour., Korea. Mem., Coil. Sci., Kyoto Imp. Ceol. Soc. Japan, vol. 43, no. 509, p. 73- Univ., Ser. B, vol. 11, no. 4, p. 193-228, 103, pI. 5. (in Japanese). pis. 4-5, figs. 1-2. KANNO, S. (1957): Fossil and Recent species MASUDA, K. (1955): Miocene Mollusca from of the genus Panomya from Japan. Trans. Noto Peninsula, Japan. Part 1. Trans. Proc. Paleont. Soc. Japan, N. S., no. 25, Proc. Paleont. Soc. Japan, N. S., no. 20, p. 11-16, pI. 2, 1 fig. p. 119-127, pI. 19. -- (1960): The Tertiary System of the -- (1956): Miocene Mollusca from Noto Chichibu basin, Saitama· Prefecture, Peninsula, Japan. Part l(II). Ibid., no. Central Japan. Part II, Paleontology. 21, p. 161-167, pI. 26. Japan Soc. Promot. Sci., Veno, pA23:"396, -- (1962a): Notes on the Tertiary Pecti pis. 31-51, figs. 21-26, tabs. 5-19, 5 maps. nidae of Japan. Sci. Rep., Tohoku Univ., KASENO, Y. (1956): Illustrations of the fossil 2nd Ser., Spec. Vol., no. 5, p. 159-193, in Fukui Prefecture. Fukui City Museum, figs. 1-9, tabs. 1-9. p. 1-16, pis. 1-4, figs. 1-4. (in Japanese, -- (1962b): A note on Dosinia nomurai original title translated). OTUKA. Saito Ho-on Kai Mus., Res. Bull., KIM, B. K. (1970): A study of the Neogene no. 31, p. 29-33, pI. 1. Tertiary deposits in Korea. Jour., Ceol. -- (1967): Molluscan fauna of the Higashi Soc. Korea, vol. 6, no. 2, p. 77-96, pis. Innai Formation of Noto Peninsula, 1-2, 8 figs., 2 tabs. (in Korean, with Japan III. Description of new species English abstract). and remarks on some species. Trans. KITAMURA, N. (1959): Tertiary orogenesis Proc. Paleont. Soc. Japan, N. S., no. 65, in Northeast Honshu, Japan. Contr.Inst. p. 1-18, pis. 1-2. Ceol. Paleont., Tohoku Univ., no. 49, p. MATSUO, H. (1951): Further notes on the 1-98.fi gs. 1-23, tabs. 1-10. (in Japanese, distribution map of the genus Vicarya in with English abstract). Japan and Korea. Cenozoic Res., no. 9, --, and IWAI, T. (1963): Explanatory text p. 9-11, fig. 1. (in Japanese, original of geological map of Aomori Prefecture. ti tie translated). Aomori Prefecture, p. 1-64, pis. 1-8. (in MIZUNO, A. (1953): Notes on the Miocene Japanese, original title translated). molluscs from the Kumano Group in the KOTAKA, T. (1959): The Cenozoic Turritel South-eastern Kii Peninsula, Japan with lidae of Japan. Sci. Rep., Tohoku Univ., description of three new species. Trans. 2nd Ser., vol. 31, no. 2, p. 1-135, pis. 1- Proc. Paleont. Soc. Japan, N. S., no. 9, p. 15, figs. 1-10, charts 1-8, apped. fig. A. 9-18, figs. 1-5, tabs. 1-7. KURODA, T. (1931): Fossil Mollusca from NODA, H. (1966): Cenozoic Arcidae of Shinano in HONlvIA, F. ed. Geology of the Japan. Sci. Rep., Tohoku Univ., 2nd Ser., Central Shinano. Kokin Shoin Book Co., vol. 38, no. 1, p. 1-161, pis. 1-14, figs. 1- p. 1-90, pis. 1-13 (in Japanese, original 16, tabs. 1-35. KIM, NODA and YOON: Molluscan fossils from KO?'ea Plate 38 KUMAGAI photo. 630. Molluscan fossils from Korea 283 -- (1971): New anadarid and associated Univ., 2nd Ser., vol. 21, no. 1, p. 1-46, molluscan fauna from the Raneji Form pis. 1-3. ation, Okinawa-jima, Ryukyu Islands. --, and RATAI, K. (1937): A list of the Trans. Proc. Paleont. Soc. japan, N.S., Miocene Mollusca and Brachiopoda no. 81, p. 27-51, pis. 6-7, figs. 1-6, 1 table. collected from the region lying north of -- (1973): Geological significance of Ana the Nanakita River in the vicinity of dara (Hataiarca) kakehataensis RATAI and Sendai, Rikuzen Province, Japan. Saito NISIIIY AMA in the Arcid-Potamid fauna in Ho-on Kai Mus., Res. Bull., no. 13, p. Japan. Sci. Rep., Tohoku Univ., 2nd Ser., 121-145, pis. 17-21. Spec. Vol., no. 6 (Hatai Memorial OGASA WARA, K. (1973): Molluscan fossils Volume), p. 205-215, pI. 18, fig. 1, tabs. from the Nishikuro-sawa Formation, Oga 1-2. Peninsula, Akita Prefecture, Japan. Sci. NOMURA, S. (1935): Miocene Mollusca from Rep., Tohoku Univ., 2nd Ser., Spec. Vol., Siogama, Northeast Ronsyu, Japan. Saito no. 6 (Hatai Memorial Volume), p. 137- Ho-on Kai Mus., Res. Bull., no. 6, p. 155, pis. 12-13, figs. 1-4, tabs. 1-3. 193-234, pis. 16-17. OIISHI\'IA, K. (1971): Paleoecological con -- (1938): Molluscan fossils from the sideration of Ostrea banks. Abstract of Tatunokuti shell bed exposed at Goroku Hokkaido Branch, Ceol. Surv. japan, no. cliff in the western borderland of Sendai. 22, p. 29-36, 1 table. (in Japanese, origi Sci. Rep., Tohoku Imp. Univ., 2nd Ser., nal title translated). vol. 19, no. 2, p. 235-275, pis. 33-36. OTATUME, K. (1943): On the occurrence of -- (1940): Molluscan fauna of the Moniwa Vicarya from northernmost part of Iwate shell bed exposed along the Natori-gawa Prefecture. jour., Ceol. Soc. japan, vol. in the vicinity of Sendai, Miyagi Pre 50, no. 601, o. 314-316, fig. 1. (in Jap fecture, Japan. Sci. Rep., Tohoku Imp., anese, with English abstract). Explanation of Plate 38 (All figures in natural size unless stated otherwise) Figs. la, Ib, 11. Anadara (Anadara) kiiensis MIZUNO, p. 273, Loc. no. 1, IGPS coIl. cat. no. 92933. Fig. 2. Panope d. nomurae KAMADA, p. 278, Loc. no. 3, preserved in Busan National Univ. Figs. 3a, 3b. Dosinia (Phacosoma) nomurai OTUKA, p. 276, Loc. no. 3, IGPS coIl. cat. no. 92939. Fig. 4. Soletellina minoensis YOKOYAMA, p. 278, Loc. no. 1, IGPS coIl. cat. no. 92940. Fig. 5. Clementia (Clementia) nakamurai OTUKA, p. 277, Loc. no. 3, IGPS coIl. cat. no. 92941. Figs. 6a-6b. Clementia (Clementia) nakamurai OTUKA, p. 277, Loc. no. 1, IGPS coIl. cat. no. 92942. Fig. 7. Thyasira sp., p. 276, Loc. no. 1, IGPS coil. cat. no. 92943. Figs. 8a, 8b, 12. Anadm'a (Hataiarca) daitokudoensis (MAKIYAMA), p. 274, Loc. no, 1, IGPS coIl. cat. no, 92934. Fig. 9. Cyclina (Cyclina) japonica KAMADA, p. 277, Loc. no. 1, IGPS coIl. cat. no. 92958. Fig. 13. Anadara (Hataiarca) kakehataensis RATA I and NISIYAMA, p. 274, Loc. no. 3, IGPS col I. cat. no. 92935. Figs. 10, 14. Anadara (Hataiarca) kakehataensis RATA I and NISIYAMA, p. 274, Loc. no. 1, IGPS coIl. cat. no. 92936. Fig. 15. Crassostrea gravitesta eoilensis KIM, NODA and YOON, n. subsp., (Paratype) p. 274, Loc. no.1-I, IGPS coli. cat. no. 92937, x 1/3. IGPS coil. cat. nO.=collection catalogued number of the Institute of Geology and Paleontology, Faculty of Science, Tohoku University, Sendai, Japan. 284 B. K. KIM, H. NODA and S. YOON OTUKA, Y. (1934): Tertiary structures of TATEIWA, 1. (1924): Explanatory text of the Northwestern End of the Kitakami the geological map, scale 1 : 50,000, Ch6y6, Mountainland, Iwate Prefecture, Japan. Ennichi, Kyuryu. Ceol. Surv. Cov. Cen. Bull., Earthq. Res. Inst., Tokyo Imp. Chosen, 7 p., 3 maps. (in Japanese). Univ., no. 12, pt. 3, p. 566-633, pis, 44- TSl-DA, K. (1965): Neogene molluscan as 51, figs. 1-2, tabs. 1-6. semblages in the inner zone of North -- (1937): The geologic age of the Terti east Japan-with the special reference ary formation near Hamada, Simane Pre to the Middle Miocene assemblages. fecture, Japan. Japan. Jour. Ceol. Ceogr., Fossils, no. 10, p. 20-23, tabs. 1-2. (in vol. 14, nos. 1-2, p. 23-32, pI. 3, fig. 1, 1 Japanese) . table. UOZU~II, S. and FC]lE, T. (1966): Neogene -- (1938a): Neogene fossils of the Ihara molluscan fauna in Hokkaido. Pt. 2, district, Shizuoka Prefecture, Japan. Description of the Okushiri fauna asso Jour. Fac. Sci., Imp. Univ. Tokyo, Sec. 2, ciated with Vicarya, from Okushiri vol. 5, pt. 2, p. 1-19, pis. 1-2. Island, Southwest Hokkaido. Jour. Fac. -- (1938b): Mollusa from the Miocene of Sci., Hokkaido Univ., Ser. 4, vol. 13, no. Tyugoku, Japan. Ibid., p. 21-45, pis. 1- 2, p. 139-163, pis. 11-13, figs. 1-4. 4, fig. 1, 1 table. WAKIYA, Y. (1929): Japanese food oysters. OYA~IA, K. and SAKA, T. (1944): Fossilien Japan. Jour. Zool., vol. 2, no. 3, p. 359- mollusken der Tukiyosi-Formation (1). 367, pis. 8-10. Bull., Nat. Res. Inst., vol. 1, no. 2, p. YABE, H. and HATAI, K. (1938): On the 137-144, pis, 14-15. (in Japanese, with Japanese species of Vicarya. Sci. Rep., German abstract). Tohoku Imp. Univ., 2nd Ser., vol. 19, no. SHlJTO, T. (1960): On some pectnids and 2, p. 149-172, pI. 21. venerids from the Miyazaki Group. YAM ANA, 1. (1966): Neogene fossil Mollusca (Palae"ontological study of the Miyazaki from Akenabe, Tottori Prefecture, Group, VII). Mem., Fac. Sci., Kyushu Japan. Bull., Japan. Mus. Assoc., no. 1, Univ., Ser. D., vol. 9, no. 3, p. 119-149, p. 33-38, pis. 1-2, 2 figs. (in Japanese). pis. 12-14, figs. 1-14. YOKOYAMA, M. (1925a): Molluscan remains STOLlCZKA, F. (1871): Cretaceous fauna of from the uppermost part of the Joban southern India. Vol. 3, Pelecypoda. coal-field. Jour., Coli. Sci., Imp. Univ. Palaeont. Indica, Ser. 6, vol. 3, p. 1-537, Tokyo, vol. 45, art. 5, p. 1-34, pis. 1-6. pis. 1-50. -- (1925b): Mollusca from Tertiary basin STEWART, R. B. (1930): GABI3'S California of Chichibu. Jour. Fac. Sci., Imp. Univ. Cretaceous and Tertiary type lamelli Tokyo., Sec. 2, vol. 1, pt. 3, p. 111-126, branchs. Acad. Nat. Sci. Philadelphia, pis. 14-15. Spec. Publ., no. 3, p. 1-314, pis. 1-17. -- (1926a): Molluscan fossils from the TAKEYAMA, T. (1933): Notes on the genus Tertiary of Mino. Ibid., vol. 1, pt. 7, p. Vicarya, with description of two Jap 213-227, pI. 28. anese forms. Japan. Jour. Ceol. Ceogr., -- (1926b): Fossil mollusca from the oil vol. 10, p. 129-141, pI. 13. fields of Akita. Ibid., vol. 1, pt. 9, p. TANAKA, K. (1967): Fossils of Anan-machi. 377-389, pis. 44-45. Educ. Commit. Anan-machi, Shimoina·gun, -- (1929): Neogene shells from the pro Nagano Prefecture, p. 1-160, pis. 1-38 (in vince of Chugoku. Ibid., vol. 2, pt. 8, p_ Japanese, original title translated). 363-368, pI. 70. K IM, NODA and YOON: Molluscan fossils from Korea Plate 39 K UM A GAI photo. 630. Molluscan fossils from Korea 285 Andong·ri* il,i] ~tl Gumgwan·dong* 'ilz: Jt il'iJ Aniai+ ~, Kunimi+ f,"T* C I=t 111 Q Asagawa+ i~ JII Kurosedani+ ~n iM =0- Auil**=Eoil* t:n .r.f;1. fI Manghaesan * = Manghaisan ** CE iii} IIJ Bangsan·ri * :,~: ..(.. iJj 1ll Nuldae·ri* = Nultairi** Wi I ~, m Beomgog·ri* }l 1§- m Oidawara+ $. 11< Bulgugsa* = Fukkokuji** i9Il I'i\i ~!J: Orito+ jJr Y" Changam* £~ ti Oyama+ *- LiJ Changgi* = Janggi* =Ch6ki** -If -,~ Pohang* iii) IIi Cheonbug*=Sempoku** JII ;It Sempoku**=Cheonbug* )11 :It Ch6ki**=Changgi* = Janggi* f'i: .~ Shigarami+ ~Iil Ch6y6* = Gampo* iiJll:JJi= 1tilil Shiroyama+ JI·x ill Daegog* 7'- 1'5- Sinjeong·dong* Jrr ~I~£ il·iJ Ennichi** = Yeonil* ~ II Songhag·dong* t"~, ill) II"J Eoil*=Auil** .~(~ II Songjeon·ri* t"~, leli ~Il. _-:1:- Fukkokuji**= Bulgugsa* i9Il [iii '.J' Seoam* [lEi r(~ Galpyeong·dong* 1~~ t'J' il'i] Tanosawa+ III 0) i)~ Gampo* = Kampo*' 11- ifll Tatsunokuchi+ .~ 0) I~I Geumo-ri* ::rr: :1iL 1-1 ill. Tsugawa+ i-'/t )11 Guryongpo* = Kyilryilho** jL -of.' tfg iill Tsukiyoshi+ .Ii lOr Haseo-ri** = Hasouri** r i1B In Tsurikake+ ~9 ~'M: Heiroku* = Pyeongryug* t'l' /. Ulsan* 1M Lil Higashi-Innai+ ~n [19 Waeum·ri* Ja B In Hyodong·ri* = Hyotongni** * i!iiJ ill. Yeonil*=Ennichi** ~ L1 H wabong·ri * * ill. Yeongil* if!! IJ Idong* *~ * iJiiJ Yongdong·ri* ~tt iJiiJ ill Janggi* =Ch6ki** =Changgi* -±- -If ~ Yoshino+ "'I ~!f Jangmyeong·gol* WJT JlJJl m. Jeongja·ri* !F- -=f ill ._--- Jinjeon·dong* IT* rfl il~] * = Geographical name in Korea. Jugjeon·ri* tt HI ill ** = Geographical name used for the strati- Kampo** = Gampo* it ml graphic units by TATEIWA (1924). Keumgoangdong** = +=Geographical name in Japan. Explanation of Plate 39 (All figures in natural size, unless stated otherwise) Figs. la, Ib, lc. Crassostrea gravitesta eoilensis KIM, NODA and Yoo:-.r, n. subsp., p. 274, Loc. no.1-I, IGPS colI. cat. no. 92938. (Holotype), x 2/3. Fig. 2. Vicaryella ishiiana (YOKOYAMA), p. 279, Loc. no. 3, IGPS colI. cat. no. 92944. Fig. 3. Vicaryella sp., p. 280, Loc. no. I, IGPS colI. cat. no. 92945. Figs. 4, 5. Vicarya (Shoshiroia) callosa japonica YABE and HATAI, p. 278, Loc. no. I, IGPS colI. cat. no. 92946. Fig. 6. Cerithidea sp., p. 280, Loc. no. 1, IGPS colI. cat. no. 92947. 286 PROCEEDINGS OF THE PALAEONTOLOGICAL SOCIETY OF JAPAN D*~~~~~IW4~~~·~~~1~4~1 Prefecture, Japan ...... FUKUTA, O. Fl 11 Il (1It). 12 IJ (±) ~:::jLHIj(~JJll~:nl;L:::t, Pliocene planktonic foraminiferal fauna \-' l fjFJ(W 2Q1.J: (~tm tf 72 15) 0 from northern Mindanao, Philippines ...... UJIlE, H. & SAMATA, T. itr.ijl~ i':; U:lJli~ (,11 'r5 Lower Pleistocene to Upper Miocene plank =-*1l& If=:'·~·~!llJf:mj, ~ J:11'[j0) 51 f.Jj C illl1t~::: tonic foraminifera from the Shimajiri 1Y!J"t~~~~ ...... i~IIIF!fl± Group of the Island of Miyako, Ryukyu "% =.Iill ~Ill fIiIllmi [1'11:f,~ ~ iii( ...... ;j' j110j jIi:l'; = ...... UJIlE, H. & OKI, K. ~di:--4i l',1m'i:E'Itl;:fiLIJ1=i~:{,ci·J\'tO)k:}j~T.f::: "?v' l ...... fJRJtti0 t;¥ 1)IJ ~~i ilii Biostratigraphical Zonation of the Rat Buri 1t*f.'J ...... ·tiEHlE3Z: Limestone in the Khao Phlong Phrab area, Sara Buri, Central Thailand ...... ::j1:.:t:.If·i:y:j:Ih:i)jlt~c il~:! MIi~~ iii}; f*!lW 177) 0) '" l' ~...... TORIYAMA, R., KAMMERA, K., 1/- -/" :/~crm"tQ=' =:'O)!irHf1i1C,,?V'l ...... ••..•...... •...... 'tr:ID-r=:.ftF> KAEWBAIDHOAM, S. & HONGNUSONTHI, A . Correlation of the Silurian stromatoporoid fffil A. ilf!i ill\: reefs in Shropshire (England) and Got- Lower Cretaceous flora from the Akaiwa land (Sweden) ...... MORI, K. Formation, the Tetori Supergroup, Central .~O)a~@Llm~9~~~:/~~.fQ .. Japan ...... KIMURA, T. & SEKIDO, S...... " ...... [lii]tiftzllj) A new cycadophyte from the Liassic Iwa Gaudryceras 0) constriction ~c "? It \ l ...... muro Formation, Gumma Prefecture, • .••••••••••.•••••••••••.•••••• '•••• IJ1. R'f-iJ1,:@: Japan ...... KIMURA, T. Otoscaphites puerculus 0) Jfq,ti,SO)n¥I:\J~':JJtit c ~~lWfffO)t@17JJft:E~c"?v'l. ·tt j!i¥,l!i:i • ~~*I[lm1J;ffi .l(-0)~fi8Jfq,f~*a':J~IJ;ld::: "?It'l ..... ·fJlIJnJ;-.QX: T ~ -, of- ~ of-TJill;J:;";flEL~lE~O)1t*,j}~¥~ .... Cretaceous patelliform gastropods from . . . . . • ...... • • . • ...... • . . . . . • ...... il1iitim iff Japan and adjacent areas ...... KANIE, Y . 13*itr.ii1i}~;lP/::,j*JIH.J: 1:::' 7- r :/ . ::z 7f::: ill:! The differentiation of the species of Ino QrJlUl-j~Hn9:tJ1iIii!tIi~~f:l:R~c "?It'l ...... ceramus in the Lower Urakawan (Co- ...... /J\* tJ!r niacian) ...... NODA, M . ~~.T://~':/~r:/~il~Q.~D.c On the type-species of Trigonioides (Studies .Ul~.~~:~ (T¥I1)················ iffi lI15!:.ftB on the Cretaceous non-marine mollusca Microbiostratigraphy of some middle from Korea. Part 1) ...... W; ** Miocene sequence in northern Japan .... On a new veneroid pelecypod genus ...... TAKAYANAGI, Y., TAKAYAMA, "Mesochione" from the Himenoura Group T., SAKAI, T., ODA, M. & KITAZATO, H. · ...... TASHIRO, M. Foraminiferal research in the Geodynamic Associated occurrence of Adulomya and Project, the First Cruise, 1972 (GDP-l) "Akebiconcha" from the Taishu Group of ...... KONDA, 1. Tsushima, Nagasaki Prefecture ...... Globorotalia (Turborotalia) humerosa prae ...... KAMADA, Y. & TAKAHASHI, K. humerosa, n. subsp. and its stratigraphic Some interesting taxodontid bivalves from significance ...... NATORI, H. the Miocene Osozawa Formation, Yama- Foraminifera from the Tachigase Forma nashi Prefecture ...... tion along the Arakawa River, Saitama · .OMORI, M., AKIYAMA, M. & MANO, K. 287 A new abalone from the Miocene of Ao ~:/,f,:;7A mori Prefecture, Northeast Honshu, Japan .... KOTAKA, T. & OGASAWARA, K. r tt'if~.fff1it!lijJ!fl;] 0) *Mt51 ~j'H~ ip!\; -t {S:ttl:ili 0)i1!:it' J ~&O)m:oxt*c iW7.krilil. .... /J'ililiR:::t: . :7;:j~.'1,;,)!t (ili:iltA : ~tgn):Y,i5 . ;'E7K tfr) n!.LlE:JJi 0) .Y7J1:m: U~~ 0) ~ ~Ij 0) t1fjj)n:: ":) v' -C .. ff:rL1~0)*Mt5J;] ...... il'iiWPi4'i5 ...... '§n:iiix!J5 :Ii~llx~t;O)*~Jf5J~1'l ...... q,ili:r±l¥(XB!~ Race formation in Suchium costatU11l (Tro ffll:rL11~fi 0) 5J~]J:O)tL@':t~ ":) v' -C ...... ~ Pd= chidae, Gastropoda) ..... , . ~ ... OZA \V A, T. -tt:/ ::(~ftO)**Jf5J~fi ...... U~EE ~~± The vicissitudes of the Diluvium Furuya c. ~ t!lt!llJJ ~m 0) * *Jf5J' Hi .....•...... :lR J: l'lf ::t: Mud Basin, Shizuoka Prefecture, Japan. Il9iiJE!l!JJ!fl;]O)*~5J~~i ...... fgnEE~- -A faunal analysis of fossil ostracodes 1I1IJEmO)J@ilffic**if ...... ·'§n:iiix!J5 . IJ'~R:::t: - ...... KATO, M.& ISHIZAKI, K. =1'x&J]O)J@ilffic:7;:51m .... 1'£7J<: tii· E~;if*~~ Balanus rostratus HOEK (~ * 7 :; '/ ;G') c.:c ffi'jjVj'jO)**Jf5J£Ji ...... tL';*i!B!f> 0) "lffifffi" ~~":)v'-C ...... iJJJ:l~Z "9Fj3~N" O)**Jf51m ..... ·:fE:!:H!fl'~B 'lllJ:l~Z ~1i&:Jl¥Jq,frrMEO) r -777- to' H :(H.Il 0)1 I:: ::fi~:: ":)\;' fl,11~nO)**if5J~N ...... ij~w~j® -C ...... ·J:!j!HqiiJfi . tf i.'lf.m ry =-~nO)*~Jt5Jlfi ..... ~ ...... ~T 8"8, o 1974 ~f.:S~~:: J::: '? -C, ~f~~O)2£]!!.to J::: V:~jji"IJiri:~~x[!:~3:: c -t {S~jllj~9!jj~jj!(~~~qct~ UFff:ffiv:l: 290 ~- :;)ilTlf~O)~JlIj~$:mD. o 1974 ff- 1 JJ 10 13 O)il~1f;{H~1~vUo\;'-C, 1974 ~~J:1tftjT!~1tf1i~~ c L- -C ;~7K tii.J;iKfi*1.t~, .:ch~c Wv'~~~nC~TO)~WJi.J;1: r: t:: (1:HlI; oJ G$:n!O, o [OJJ:~filijUl.\l ~H::.Bv'-C, j,tO)~~~~.wtO)=j':~elc~HrtJ: '? t~*~*, rt:;!t-l?Jf~B, B:~ *0) 2 10 U~'? t::, 1974~~O)iiil~.L~iJi, ft!!.~c~*, ,§K.~IX:'f3, :fIlIl;J=Hu!eflM31OT 1973 ~T,fj£~~1§iif,tr)c'Etf/kiEd: 3fZ-!I!15J,.ilU~t, 1973 ij'. 6 Fl 20 13 ~fT fl *ii1=.~~~*'S-*c. 904-'f:;- 45-71 nqll.Kffili3t rBiostratigraphic study of the Jurassic Toyora Group. Pt. III.J *1iJf7Eii, fl *O)I=j:l1=.gjll:m~t.d:i'i:i'i5:lt'~ iii) ~ '/ "- '7 *.l!liimmllfl: "?v'-C, il'M,lIt.donffq:~~~iNI:.1JQ;t, ~~T ~ 7:/-'C -;-1 r ~n 23 ~ 42 f.JlO)5Jm~~~nJf7Elt'1!1iI) 7.>;: c I:. J: -? -c, .:to) r.yj{iffilj, j:I.iiJiJJ~!ikfJllf,f,trK_ :*:~t.alX:*lt'cl?lf-Cv'7.>. -,t.d?1::>, J!!.:irlll\"inHi7Y-'C-;-1 H.T-O)il:::Gl:tc-:5~~ Sinemurian 1;,; Ba- . -thonian I:ht: 7.> i: c It'n)jil'': L.., c <1:!ii1fflllfl=j:lfflIlCii7 Y-'C -;-1 r I: J: 7.>;af·lt'N~}j'] L.. -C, .:t:/l,; c li?\ ~1H~i1!l!ik~0) 7 :/-'C -;-1 Hl~: C O)~f L.. v 'Mit I: 1lX: :9J L.t:. .:t L.. -c:tl fllH'iffIK51'0:.tQgjlilli,ptJ: 'Hri :!,llfK_~j{ 1Iii UW"3CT 7.> i: c It' M~iI'l: L..t:. i:hli. 3 - P .." ",~-c:1".'jli!iil~I:.7;.;h7.> J: ;j tJ:,/H~c1=.HlC O)J: v' Ixlt'1=. t.: 7.>~tJ[c Ii 1::> ill -? t:iiJ;itllt' & B~ L.. "(1:' 7.> ;: c It'5f-T. ~~. ~ :/7"'/ Y0j:\0) jif1iIlW: J: 7.> Fii1~ j{O)fI!!Jik~O)!lit)~r.?¥ c O)~niJ..Jm:O)J:U!l:i.1' ;'~']I~rr L.. -C, -ffll(I~I: li!-ikrrilij*O)~;rIl'!(lt'.:ttJ:;t. Whitbian illi '!IiI: lift!!O)~~+ltiklK c MnfC).lt'5f-T~im ~r.?¥0)7:/-'C:I"1 rill. v'hlJ> 7.>;f, l/ 7 'f...~O)~M ~ J: IJ ~T 7.> t O)-C:~ 7.> c V'? J1!1!tcl? 7.>*liii"6lilt'1~-CV' 7.>. i:O)J:?~m7E~, E.~5Jm~~£.~n~~;t-c. M~~~"n.~~;~~mm~.M~~O)? xl:1l: -? -C ii r IJ)-ct$. IJ 1l:"? t O)-c:cl? I). 1=.tonlf~'{:il~:)]i:tl: J: MJIfIj(I~3!Ui'1 c l-c~ <~f filii ~:/l,7.>. J:-? ~D*~1=.~~~~. *m7E~ML..-c.)cftlt'~IJ. Fii1~O)~~O)-mO)~~lt'~fflT7.>to)-C:~7.>. /N§fM!='ft :fI:1:~li.il!*Jl~0) liJf7E 11:::Gli.il!M~I: Ii. .:t:/l,lt'"? < -? t:1=.ifi~O)® ~~ 7.> Hi1=. ii!iO)~ tQ It'5f-T ~ ~ ~~ t$.ac j:;f :E.t~ *"tl: 1Hl!i!.0)I\"iift . l!l1=.~"¥=I'f'~liJf7E B::~*";g-li 20 ij'. I: ht.: -? -Cff:rL!hO)liJf3tlt'~j~~~I:1!IiI)-C:*: ~ t$.Jil(;lf:lt' a; 1ft.:. ff:rL!lt1i)f7E;i];t~~J& 4'& v ':)]1: J: -? -c~i'iJH:5J{1: L.. -Cv'7.>ill , lii1:gfi§~5Jm O)fll~.ll.lt'~-o)~f,~I:~~. MEH-!-~~:P~lt'J&A.h -C~rr-. r.U~. 1=.~. ~~. tf'lt;.iIt$.C~:)]fiIiO)rR~JI!Hr.J&mA.,-c:~t.:. ~-I:/tf1=.ff:rL!hfjfjO)~j{5J;{fjI:'"? v'"( O)~~t&l:tilS-:5 <~3fZ-~ (1959). ~~r".I~ (1960) t$. cO)~~ff~~liJf7EiI' ;1!A.,-C:. f.JllmI*O)IfI:miJiJi/JtIJ;Ji Jl:1:£-:5 < HOLZINGER 0) 1ZSI-=f5HIf It'ftt$. "" 11:::fir.f~0)5Jm: c 3Jl.1=.'llf~O)IK5JilliiJtJ~t$.;: c It'llJffiE L.. t.: (1962). ~; f:.:: O):)]r:tlr*mmO)1¥iQlttff:rL!hll?¥~I:~m L... 1P.l~:tIEfi'l~O)~~t}l· iitikl'JIlI:' "?v'-Cv'E .\IW~~lt'[,l(liI)t:. m=I:IEr.mMitl:ff ~t$.:p@tc ~h7.>1¥i~ttff:rL!l:!.5J:m=lt'i!§;t(3fZ-i?(;tt!l~I:.~mT 7.> I:. .,,-;'t.: -? -C ~~~.lj!JM' ;~m:)]~~I:I~lt'1JQ;tt.: (1959. 1970. 1971 t$. c). ~ t.:5J~I\:O)m:~tdll-C: a; Qfjfj O}~~ttlt'm.~fjfj-c::tJi~t L.. t.:. 1i*::::'I: Elphidiidae (1956). Ammonia tochigieksis (1965). Pararotalia nh~ponica (1966) t$. cO)~t~;I1O)1iJf7Et'i~t~ . tf'lt;liO)~~lt'1JQ;tt.:t-=tr-c:t$. <. gU!';5J~I:1lt~T 7.>Pfi1;~ :*: ~ v'. ~1!91: Miogypsina I:j! ;h7.> Nepionic acceleration O)P"f!JtIr. J: f). **1f5J~, 1!(I:*llJlt' Q;~kL. fflm~1=.~If~O)mlt'.~~Lt:. 289 ::. h G GT) li}i3t ,j: HI.& - I.H}l1 :ttEH'iJ;/;:JI1!.GT)ltirj·;rl'~ii}fJt (1962) -::7]'; ~ ~-v,:'~ , 'ir'j"Ii';,tJ: T1cQ~~I::' :1H,nt G~L -C ;J-o I), ~:,t~f,-(I~t,dJHf- GT) t C. -C:'1If~;11; ~ ~l., -C v' P ALAEONTOLOG ICAL SOCIETY OF J APAN, SPECIAL, PAPERS NUMBER 19 >2 1975 5f'-m' I::. fllflT t.: <, .7CGT)!Jj(fr\,\>2i~~ L ~ -r, ji!ii?3 tJ:!JR~'::j>2 Bj~jd:.J GT):Jjlj:, IXGT)]jDJ'H::'{,:b1t-C qr~~ra:i'FllX: L, T 812 th\liliJrtf*1K 'fLi~ijIUr jd'I'1 j('"{:f!!lCji:$ JI!!.1't~7: ~liIx'l N, B ;.oj'tI_i~EJiJ]~'f:s? !fP,jJjIJ-'% klf~:g&~.w~ (f-t~~ WJ;lj::fHhlifl~) ),'IEr,::'[fi Li61vc:T~v', (1) tl1:.t7/j~r~ I::. r1~-j- (1974, L 11 aill1) *~h;t 8 *ti!:l:~~~ e ~, :5 0 . *~lj:ti!:l:~~:toJ: (J c.tLl/:~Ok.$ .o~~HO)~W::toJ: (J~&~ilt.o O)~ §B':J e ToO 0 *~~.2~0)§B':J~~T.oft~~0)~~~fi~:50 L ~~-to)':l:O>O)l±Ill&~O)~fio 2. ~m~IJ(~O)~{{!to 3. ~&O)t:~O)~.~. ~1J(~-t0) Ii ;b>O)~{{!to 4. lJF3l: Q)iiJl1J • iJ11:Jij}J:i<> .l: L1li1f3l:~mt.l: r;, L1t;:,~~t;:')r;ji" GW'jJQ)~~-t: Q) ft!1.m 2 ~ Q) EI i¥J~Qlt ~;:, 16fi" G .: Co . ". ~4~ *~O) § B':J ~~T.o t:~~~O)~H;!"(*4;;Ir.~fiI!O)liIf~~~~~!t "(Jt~ .0 0 ~~Ij:~ 12 ~1t:Jt~ £;tLt:~.Hfi~tJ:tttL,;t'tJ: £; tJ:~'o ~Jtlj:~~O)ml:(jj~~tt~ 3 ~It:m JtG~~~IL..~T.oC.e~-r:~.oo ~12~ ~JtO):&Mlj:~~It:llh "(Jt~.o o ~.Ij:~lil~ffit:$ 3, 000 P3. ~}jU~ffit:$ 4, 200 P3. .JltJ~ ~:$ 1 n 10,000 P3fJ..t.e T 1.10 ~1t~~lj:~.M3AO)·~~i/;tJ:t '0 :tE~O)~Jtlj::$ U. S. $16 ei"Qo m13~ *~O)K;!Jtlj:~ •• 1iIf#:&. filiJltJ:&tJ:clt:J:.o o ~14~ ~J!t~ 1 ?':$tt.t.lI!fM3 Gt:~:toJ: (J*~O)~1t~fflTfi~O).$ '? t:~lj:,lW~~~O)~~K;!"(1l8< ~ T 1.1 C. e i/;-r: ~ Q. m15~ *~o)~~lj:~~ 1~. lW~~ 15 ~ e G. :5 ;;t!Ff~~m~~ffiteT.oo f.EWllj:~L 2:$e 1.. m~H1HftJ:t'o ~~0)~1J.I1t:J: I) *~It:~~:to J: (Jili3C:!1i=f~~!t 1Jj\23%: ~iil''li~1i 1 :t~:2 <0 'i'u\:j!H.l:ilif~~~I'::2"'L~H~~:2J: L1~~~0)-'f CONSTITUTION of the PALAEONTOLOGICAL SOCIETY OF JAPAN ;0-. (Jan. 11, 1974) Article 1. The Society shall be known as the Palaeontological Society of Japan. Article 2. The object of the Society is to promote the study and popularization of palaeon tology and related sciences. Article 3. The Society, to execute Article 2, shall undertake the following business: 1. Issue the Society journal and other publications. 2. Hold or sponsor scientific lectures and meetings. 3. Popularize the science by field trips, scientific lectures and other projects. 4. Aid and encourage research work; award outstanding contributions to the Society; carry out the objectives stated in Article 2. Article 4. To attain the object of the Society, the Society may, by decision of the General Meeting, establish within it research committees. Article 5. The Society shall be composed of members who are active or interested in palaeontology or related sciences. Article 6. The members shall be known as Regular Members, Fellows, Patron and Honorary Members. Article 7. Persons desiring membership in the Society are requested to fill out the necessary application forms and receive the approval of the Council. Article 8. Fellows are persons who have held Regular Membership in the Society for more than ten years, have contributed to the science of palaeontology, have been nominated by five Fellows and approved by the Council. Article 9. Patrons are organizations supporting Article 2 and recommended by the Council. Article 10. Honorary Members are persons of distinguished achievement in palaeontology. They shall be recommended by the Council and approved by the General Meeting. Article 11. The members of the Society shall be obliged to pay the annual dues stated in Article 12. Members shall enjoy the privilege of receiving the Society journal and participating in the activities stated under Article 3. Article 12. The rates for annual dues shall be decided by the General Meeting. Rates for annual dues are: Regular Members, Yen 3,000; Fellows, Yen 4,200; and Foreign Members, U. S. $ 16. 00; Patrons are organizations donating more than a share (Yen 10,000) annually; Honorary Members are free from obligations. Article 13. The budget of the Society shall be from meinbership dues, donations and bestowals. Article 14. The Society, by decision of the Council, may expel from membership persons who have failed to pay the annual dues or those who have disgraced the Society. Article 15. The officers of the Society shall be composed of one President and fifteen Coun cillors, among whom several shall be Executive Councillors. The term of office is two years and they may be eligible for re-election without limitation. The President may appoint several persons who shall be Secretaries and Assistant Secretaries. An Executive Council shall be nominated and approved by the Council. Councillors shall be elected from Fellows by vote of returned mail unsigned ballot. Article 16. The President shall be a Fellow nominated and approved by the Council. The President shall represent the Society and supervise the business affairs. The President may appoint a Vice-President when he is unable to perform his duties. 292 Article 17. The Society may have the Honorary President. The Honorary President shall be recommended by the council and approved by the General Meeting. The Honorary President may participate in the Council. Article 18. The Society shall hold regularly one General Meeting a year. The President shall be Chairman and preside over the administrative affairs. The program for the General Meeting shall be decided by the Council. The President may call a Special Meeting when he deems it necessary. The General Meeting requires the attendance of more than one-tenth of the members. The President shall call a Special Meeting at the written request of more than one-third of the members. The request shall be granted only if the written statement fully explains the reasons for assembly and items for discussion. Article 19. Members unable to attend the General Meeting may give an attending member a written statement signed by himself trusting the bearer with the decision of business matters. Only one attending member may represent one absentee. Article 20. The decision of the General Meeting shall be by majority vote. When the number of votes is equal, the President shall cast the deciding vote. Article 21. The President and Councillors shall compose the Council. The dicision of the General Meeting concerning administration shall be considered and implemented by the Council. Article 22. The Executive Council shall carry out the decisions of the Council. Article 23. An auditor shall be elected by the Council from Fellows excluding Councillors and Secretaries. The term of office is two years and he may be eligible for re-election. Article 24. The fiscal year of the Society shall begin on the first of January each year and end on the thirty-first of December of the same year. Article 25. The amendments to the Constitution of the Society shall be decided at the General Meeting and must be approved by more than two-thirds of those members who are in attendance. Addendum 1) Voting in the Council shall be by unsigned ballot. ~ 1J. t[g ~ ltli s ~l4tlii$~Zdlil-IJJS 113 @l {7U A *I\&m.ll: 1974 if. 6 fl 15-16 S 1974 if. 4 fl 10 S = § ?~ §!: lW tm ftB 114 @l {7Ij A= ~ttm*~ 1 974 if. 10 fl 19-20 S 1 9 7 4 if. 8 fl 20 S 1975 if. t.§So • if.So 00 .ll:f4~lW ¥1J ftB 1975if. 1 fl T 1iJ * 5E @ 113 @l{7USo"t'v'J:, 16 S vc~iiffiliSo rtt~tm~ c tw:tmftBJ (i!tIlI5A· =f~:nil1t) ;Q!T5E~ :/1:'"(v'~. @ 114@l{7USo"C'v'J:, 20 SvcllffirNj:ili1JiliS~ ('Jl1 f· ~T ,,"It) ;Q!T5E~:/1:n'~. cI3~6it @ 1974 if. 9 fl9finT5EO) ~)'(~~~j'iH'F~ O)k.tl), ~ilWO) £:, 'CO k.So~v'J:, JIOiHf~fJimIKWAII!J 3-23-1 OO.ll:f4~tW:¥1Jng5J'ft11 ('f 160) iJ1:Fa9-~ £:, L 6 fl *~ "C'vcii1i~ ~:h,k. "'. @ it;o, Nos. 25· 26 O)~ff (ti'f~· ttt@tmO)5J':m c.:c-O)F"9@:#'') iJ1:FEl9-~: tt~ttvci>v:r~t@¥1J5J':m cooa~, *"~OO:~~E-Te~~EO).¥1JD, *Wif.~: *.tt.tm~;~.tt.¥1J~O)~. \C-::>"'L, fIlJl;J:!:iW1~ffi: ~t$J;;JHC.i>I:r~I1ffi.***O)~ilffic9fi~, [lii]ib~EI:J;k· £1l*Jllfla: ~ti'JijJ.!ljl~· ~tff~O) *JTm~*cf&J!Jjt).{~O)t@¥1J~fO)Wc:)I, 7iliitl rj!f: J:ffB~~Ei> J:: Lfttm~EO)1tm . m~H·O)5J':m c Wc:iI tJ:; Lfvc.F"9Jt!#',. .:c-O)ftEICllt~1· T ~:=. '/ ~ • r 1::. '/ ~ A • OO'~'::';L - A. an, 400 fI}, al4)..$i6 v'J:fW;§rlPl1l''ilw*~t*~fJIl~ej:ili1il~15~¥1J~tk~ . 7iliiWPl$a. 1 9 7 4 if. 4 fl 15 S ~n lllU 56fJ:M B*ti~~~~ 1 9 7 4 if. 4 fl 20 S 9fi n '3r. *" IK ~ ~ 2-4-16 S :.$: ~ So 4lj:fjj 1! :/ !l - rAJ (~ ~ I=l ~ JI( *" 84780 1ft:) ~ ~ ~93% 1,200 fI} Transactions and Proceedings of the Palaeontological Society of Japan New Series No. 93 April 20, 1974 CONTENTS TRANSACTIONS 627. KAPOOR, Hari Mohan and BANDa, Yuji: Report of Lower Trias from Pir Panjal, near Qazigund, Kashmir, India, with Description of a Few Ammonoids ...... 227 628. NODA, Masayuki: A New Species of Inoceramus from the Shimantogawa Group of South Shikoku ...... 240 629. SADA, Kimiyoshi and DANNER, Wilbert R.: Early and middle Pennsylvanian Fusulinids from Southern British Columbia, Canada and Northwestern Washington, U. S. A...... 249 630. KIM, Bong Kyun, NODA, Hiroshi and YOON, Sun: Molluscan Fossils from the Miocene Eoil Formation, Gampo and Ulsan Districts, Southeastern Side of Korea ...... 266 PROCEEDINGS ...... 286 2'i~ L.. "C to IJ, .:t GT)J)H'J'i/iJdn '0 II JI,tI :!t'l7J}!'?0:i ::. ::. I::. ~J: *m@~>2~g, ~~GT)-MGT)~®~Mffl~~o ? t.: t GT) (fYIJ ;tli-./ /':f-':/ ='- t7 A GT)[\X;tfi~,);t~) -c't J:: '.', 7} lli;ii;E*~ffGT)~jJIJ-vf::.*{H'(J:li I!~f,\fd- ~ ::. C., ~jt~i)· GX 11:',-::' ~