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Transactions and Proceedings of the Palaeontological Society of Japan
New Series ·No. 3
--It>• . .. •. ..:.;... .' \ : .,...... _ .. · , ."': ":~
Palaeontological Society of Japan
September 30, 1951
i ... _..... ,I;Jr~ CONTENTS
TRANSACTIONS 201. The Occurrence of the Genus Cyclammia in the Tertiary of Kyushu...... Sigeo MuRATA 65 202. Notes on Some Tertiary Plants from Tyosen (Korea) II ...... Kazuo HuziOKA 67 203. On the late Upper Cambrian (Fengshanian} Fauna in Eastern Jehol. . Tciichi KonAYASIII "75 204. Nagatoclla Fujimotoi, N. Sp., and a New Studying Method for Fusulinids. . Rokuro MoRIKAWA 81 205. On Some Ehrenbergi11a from Japan. Yokichi TAKAYANAGI 85 PROCEEDINGS...... 95
President : Hisakatsu Y AOE
Councillors: Kiyoshi AsANo, Ryuji ENno, (Business and Accountant), Seido
E~mo, Haruyoshi FuJIMoTo, Shoshiro HANZAWA, Ichiro HAYASAKA, Teiichi KoBAYASIII (Editor), Jiro MAKIYAMA, Tatsuro MATSUMoTo, Masao MINATo, Tsuneteru OINOMIKAno (Publication), Tokio SHIKAMA, Koiti SuzuKI, Fuyuji TAKA! (General Affairs), Hisakatsu YABE.
All Communications relating to this Journal should be addressed to the PALAEONTOLOGICAL SOCIETY OF JAPAN Geological Institute, Faculty of Science, Tokyo University, Japan Trans. Proc. Palaeont. Soc. Japan. N.S., No. 3, pp. 65-66, S."pt. 1951.
201. THE OCCURRENCE OF THE GENUS CYCLAMMINA IN THE TERTIARY OF KYUSHU*
SIGEO MURATA Mining Department, Kyushu Institute of Technology.
:ft.ffl~2.~1::~1t¢ Cyclammina QJ.~II:l: /.tfl~:ft.ffiK~<:t1 Cyclammina 11'ftP,Ij·~.fl.."Cir• t.r»··-::J 1:.11:. 4-~~c1Ht Fl.J.v.> t:';:·;~!Jr'!,Q) •ll:tlftll't.: o ~KIJJfVlV: *'¢QJ !lfi~ilttc o tlli'rtr • iiJ;;IiJcJhjlfij/i1' »·b~l}~Q)~nft 6 f!!IQ) Cyclammina ~3EJ!Lt:.QJ-c:Jii:J1J!I.::'*fi->'"oo e,QJrfl;R1,tQJtQJI.tll* -<:t;t, flll'tfilltii·GQJR!i~ID3€Jl.·<:~oo c.tt.b C.vclammina llffll!QJ}ttll:\t~;{Jitt.tlliJb»•l::idll~ .:-:,fi V>:kf!tQJ 1d'.> QJ¥f L .... 5f-i11lft::O.!: t.r IJ l!H> t Q).!: ~ ~ 0 0 #lll~t4fl
As was already pointed out by K. Shimotsura-mura, Amakusa-gun, Kuma AsANo (1950), Cyclamm£na is a genus moto Prefecture. During 1950, fossil characteristic of the Oligocene and the Cyclammitza was discovered in succession Miocene i~ the Circum-Pacific Region, from the Eocene Shikiyama formation in and up to present it has not been ltchoda-mura, Amakusa-gun, Kumamoto yielded from the Pliocene. This paper Prefecture (in the spring), and the Oligo is intended to report the occurrences of cene Nozima formation in Shisa-machi, the fossils belonging to this genus at Kitamatsuura-gun, Nagas.>ki Prefecture different stratigraphical horizons in the (in the autumn). Of these, those from Tertiary of Kyushu. the K usubo formation represent the first In the summer of 1949, the writer Eocene occurrence in Japan. di~covercd Cyclammina first in the The stratigraphical distribution of the Miocene Miyazaki Group in Miyazaki genus Cyclammitta, known in 6 species, Prefecture; and then, in the autumn of in the Tertiary of Kyushn, as far as has the same year, he found it among the been examined by the writer, is shown specimens in Dr. MATSUSHITA's collection in the table 1. from the Eocene Kusubo formation in
Table 1. Distribution of C)'clnmmina in the Tertiary of Kyushu.
I Miocene , Oligocene I Eocene I
Cyclammina caucellata BRADY I x 1 I 1------1 i C. japonica AS,\NO x -·- -1 c. ittcisa (STACIIE) X X ____ , C. Pusilla BRADY X
I C. pacifica BECK X -1
I c. ta11i lSHIZAKI X
*Read Feb. 14, 1951 ; received April 18, 1951.
€5
I 66 Sigeo MURATA
It is shown in the table that Cyclam T. OINOMIKADo, Chief Geologist of the mitza itzcisa (STACHE) ranges from the Teikoku Oil Co., for their kind advices Oligocene to the Miocene, not only in and comments, and to Prof. T. MATSU Kyushu, but also in the Circum-Pacific MOTo and Prof. H. MATsusHITA of the Region as a whole. In the Miocene Kyushu University for their kind en fonnation of the Miyazaki PrEfecture, couragement and suggestions given to there are Cyclammina caucellata BRADY, the writer in the present study : last but C. japonica A
.. Trans. Proc. Palaeonot. Soc. Japan N.S .. No. 3, pp. 67-74, pis. 5-6, Sept. 1951.
202. NOTES ON SOME TERTIARY PLANTS FROM TYOSEN (KOREA). II*
KAZUO HUZIOKA Mining College, Akita University
Mif_j;lHf!:o:MM~1t.1i • u: 19-n "r-~t.::kFit'-'ttiilf.a~?!1 4 ~m 7 :\E~ 1 ~t-=~~ Ltd~ 1 r.1 Kml< tu.>-c, Jlbu.>~2f;S"t:l;t Fagus 3 'fi!i, Ulmus 2 f!f!.&O: Zelkowa 2 filia::rc~Li<:o f!iJ.tt.t Wllf.-¥.{1; a -*l¥l¥!!!!:JiljltJilltu.>jl!!.ltbH~ .if.lli L i<: t u.>"t:. Mc~!:.::k~~::kTi ~$!\IJ-1:. ji; ¥lllf. fdHf'ff 'I•Zf' • fMt·filiif:H\u.>:W!t ~ .jl. k t q.>""(:'.t-, <.> o Fagus IJ:$!'¥.~l& li-=:> 11\ < , Zelkowa t ~J&JL -=:>It:<
}f. ·to~: Ufm:ts IHr L "'}'lt• 0 iSil:t.l-.!1}
Contents 1938) : coal-bearing form:1tion of Agoti Genus Fagus: F. kornico, sp nov .. F. Proto coal-mine. N. Kankyfl Do (ENDO, 1938); lo>t.SiiPeliolata, sp. nov.. and F. Uolanii. sp. Ryf:do formation of N. Kankyo Do nov. (TATEIW A. 1925) : Ty0h6ri group of S. Genus Ulmus : ll. carPilloitles Goi'l'ERT and Kankyo Do (TATEIWA, 1925): Tusen U. shiragica. sp. nov. formation of Kogen Do (ENDo. 1938); Genus Zelkozoa: Z. Tibae OISHI et HUZIOKA, Changi flora of N. Keisyo Do (KRY and Z. Ungeri (ETTINGSIIAUSEN) KOVATS SIITOFOVICII, 192lb). F. americana SWEET or F. ferruginea AlT. Enniti series of N. Keisyo Do (KANE Genus Fagus L. IIARA, 1936). Of Fagus the following species of the Kantindo formation of N. Kankyo Do genus have been reported from the (TATEIWA, 1925). Tertiary of Korea : F. cretwta BLUMF.. Kantindo formation and E11gelhardtia F. Auiipofi HEER bed of N. Kankyo Do (ENDo, 1939, p. E11gelhardlia bed of T?yuhokudo, Kokan 34i, PI. 23, Fig. 9). gen coal-mine, N. Kankyo Do (ENDo, F. japonica l\·fAXll\1. Kantindo formation of N. Kankyo Do . Read Nov. 29. 1941: rcceiwd May 10, 1951 (ENDO, 1939, p. 314. XL 23, Fig. 8) . *I. ( !ourn. Fa c. Sci .. J!okkido ImP. Univ. F. mu!ti1zervis NAKAI. Ser. 4, Vol. 7, No. 1, 19-13, pp. 117-141, 5 .Engelhardtia bed and Kantindo formation Pis.) Contents: Introduction, geology of fossil of N. Kankyo Do and Tusen formation localities, and descriptions of the following spe of Kogen Do (E~mo, 1939, p. 341, Pl. cies; Salvit~ia Pseudoformosa OISHI et HUZIOKA, 2.1, Fig. 10). Tilia dista11s NATIIORST, T. japonica SIMONKAI. Adding to them, the writer described T. remoliserrata OISHI ct HUZIOKA. T. here three new species of the genus from meisenensis HUZIOKA, T. sub1:obi/is HllZIOKA. the Miocene localities of Northeastern Acer rotundatum HUZIOKA. A. subpjctum Korea. They are sp. n6v., SAPORTll, A. ezoammz 0ISII1 ct HUZ!OKA, A. F. koraica fotsiaefo/ia HUZIOKA, A. tri/obalum (STERNR.) F. protolongipeliolata sp. nov., and F. var. Productum AI.. BRAUN, A. on:atum CARR., Uota~tii sp. nov. A. japonicum TIIUMB., A. sp., A. spp. (soma It is surely interesting that considera rae), Cfr. Platanus Guillelmae Go!'PEI~T. bly manifold forms of Fagus commonly
67
-I £8 Kazuo HUZIOI\A distributed during the Miocene ep:>ch the fossil differs in hwing the acuminate almost all over the Korean peninsula apex anrl the slender nerves. Among where Fagus is quite barren now. At the Tertiary Fagus, our specimens most present F. multinervis NAI.;AI with which closely resemble F. Nathorsti Ko:-~No et abundant fossils have been found identi· OnJKA (1933, p. 410, Text-fig.) of the cal or quite similar in the Northeastern Asigakubo flora in Shizuoka pre£., but Asiatic Miocene floras, grows on higher this Pleistocene form is characterised by altitudes of islands of Utury6 and Saisyi1, the constant and distinct marginal teeth both being the marginal !'olitary islands Further allied fossils of Japan are F. off the Korean peninsula. According to Hayatae of M11o from the Shimokurada NAKAI ( 1919) who studied the vegetation lignite bed (MIKJ, 1938, p. 224, Text-figs. on these two islands, plants of the islands 6 f-h) near Kamakura and the Katada especially at the higher altitudes are plant bed of prov. Omi (MIKI, 1933, p. rich in endemic elements which are con. 219, Text-figs. 4 q-s), F. ferruginea var. sidered as floral relics on a past conti· Milo (1933, p. 9, Plate 5, Figs. G. H ; nent before turning into islands as they Text-figs. 6 f-h) from the Pleistocene are now. lake-deposits of Yamashiro, ancl Qnercus Stuxbergi NA THORST (1888, p. 37, Plate Fagus lwraica, sp. nov. . 12, Fig. 7) from Yokohama. As already mentioned by Ko.'-1:-
and attained to the small teeth of 1938; TATElWA, 1925). margin; finer veins thin, delicate, clearly E11gel/wrdtia bed of N. Kankyo Do (E;.;no. percurrent. Petiole thick, about 1 em 1938). long. Texture seems to be thin. Ryudo formation of N. Kankyo Do Comparison and remarks :-Ulmtts (TATEIWA, 1925). shiragica, sp. nov. is characterised by the Tusen coal-bearing bed of Kogen Do (ENDO, regular lateral veins. In general habit 1938). Enniti series of N. Keisyo Do (Kanehara, of leaf, it is related to the living U. 1936). Davidiana group among which U. macro· carpa NAKAI of Korea and U. Bergmatz· niatza ScHNEID. of China are most allied Zellwwa Tibae OisHI ct HuzroKA to it. (MS) Among the known fossils, U. diPtet·r Plate 6, Figure 7 STEENSTH. (HEEH, 1868, p. 1949, Pl. 27, Figs. 1-3) from Iceland somewhat DescriPtion :-Leaf oval, 3.3 em long resembles ours in nervation, but differs and 1.5 em \Vide; apex like a marginal in the mod'e of marginal serration. dent, obtusely pointed ; base broad, Specimens from Azano of prov. Shinano slightly cordate. Margin dentate; mar which were called by NATHORST (1888, ginal dent large, scperated by a deep p. 23, 1'1. 9, Figs. 4, 5) as CarPiniphyllum sinus, oval shape and obtusely pointed pyramidale japoniwm ? are very similar at the top. Lati!ral veins 7 pairs in· to U. shimgica. number, forming wide angles to the Occurrence :-Kissyu-town, KissyLi-gun, midvein at the lower part of leaf and N. Kankyo D6, White Shale of the acute angles at the upper. Midvein Kissyt'1 formation (Miocene), CoiL OISIII ; rigid, straight to the apex. Petiole thick, Kinkodo, Usen-men, Geizitu·gun, N. 1.7 mm long. Keisyo Do, Enniti series (Miocene), Coils. Comparison and remarks :-This type KoKAIRA and UoTANI. of leaf is referable to Z. Tibae OrsHJ et HuzroKA from the Miocene Obira series Genus Zel!wwa SPAcll of the Uryu coal-field in Hokkaido. Z. Tibae is distinguished from the known In Korea, Zelkowa serrata MAKINO species of Zelkowa by characters of both and its var. langifo/ia NAKAI are now ends of leaf and the large marginal living generally south of N. 40° in dents. latitude~. but fossils of Zelkowa occnred Occurrence :-Ryuhokudo, Kokangen commonly throughout the Miocene de coal-min(', N. Kankyo Di'), Engelhardtia posits of Eastern Korea. bed (Miocene), Coils. KoDAIRA and In the present determination of the UoTA:-\1. Korean fossil plants, the writer distin guished two species of Zelkowa, i.e. Z. Tibae Orsm et HuzioKA and Z. Uugct·i Zel!wwa Ungeri (ETTINGSIIAUSEN) (ETTINGSIIAUSEN) KovATS, of which the KovA·rs latter has been known from the following Plate S, Figure 9 localities of Korea : 1851. P/a11era Ungeri ETTINGSHAUSEN: p. Kantindo formation of N. Kankyo Do (EN Do, 1'!, Pl. 2, Figs. 5-18. 72 Kuzuo HuzJoKA
1851. Zclkowa U11geri. KoVATS: p. 27, Pl. cene), Coli. 0Jsul; I
KoVATS. ]. (1851) Die fossile Flora van SCHMAI.IIAUSEN, ]. (1887) Ueber tertiiire Erdobenye. Pflanzen aus dem Thale des Flusses KR"AUSEL, R. (1920) Die Pflanzen des schlesi Euchtosma am Fus;e des Altaigebirges. s::hen Tertiiirs. fahrb. Prcus. gcol. L.-A .. PalaeontogroPhica, Vol. XXX!ll. f. 1917, Vol. XXXVJll, Pt. 2. TATEIWA, I. (1925) Geological Map of Tyosen. l{RYSHTOFOVJCH, A. (1921a) Some Tertiary No.4·. Plants of Possiet. bay, S:>uthern Ussuri UNGER. F. (1852) lconographia plantarum District collected by Mr. E. AH!>:ERT. fos~ilium. Rec. Ceo/. Com. Russ. Far East, No. 11. Y ABE, H. and ENDO, S. (1930) Mogi Fossil of KRYSHTOFOV!CII, A. (192lb) Contribution to the Province of Hizen and lts Geologi. the Tertiary Flora of E:1stern Asia. To cal Signifiomce. Proc. Imp . .4cad.. Vo!. the Tertiary Flora of Changi in Korea. 6, No.7. Ibid., No. 18. MADLER, K. (1939) Die plioziine Flora von Localities of the described species Frankfurt am Main. Abh. Senck. Naturf. Ges., Abh. 446. Ryuhokudo, Kok:mgen coal-mine. N. Kankyu MlKl, S. (1933) On the Pleistocene Flora in Do, Engelhardtia bed (l&.iliAtit£, iift!Jt.~ Prov. Y;.tmashiro. Kyolo·hu Shiseki Mci· i'll. il'IIA~i!Di. Engdhardtia ~) syo Taznen Kinenbutu Tyos:~hokoku, No. Fagus koraica, sp. nov., F. prolo!mlgipetio. 14. lata, sp. nov., F. Uolanii sp. nov. and MlKl, S. (1937) Plant Fossils from the Stego· Zclkowa Tibae OlSill et HUZIOKA. don Beds and the Elcphas Beds near Kantindo, Meisen-gun, N. Kankyo Do, Kantindo Akashi. Japan. ]ourtl. Bolat1y, Vol. 8, formation CJ&.m:f~i!. lflJllll!:.tJijftiM. l&.ii No.4. ?MM) • MIKI, S. (1938) On the change of flora of Fagus Prololongipeticlata, sp. nov., Ulmus Japan since the Upper l'liocene and the carpinoides GtjPI'I;RT, and Zc/kowa Ur1geri floral composition at the Present. ibid., (Err.) KovATS. Vol. 9, No. 2. Yiitcndo, Meisen-gun, N. Kankyo Do, Ryiido MIKI, S. (1941) On the change of flora in formation (J;U~~~ifi. 11}HlJ1!JI~!,'ii!n), ili!il Eastern Asia since Tertiary Period (lJ. MJ The Clay or lignite beds flora in Japan Zelkowa Ungeri (ETT.) KoVATS. with special reference to the Pir.us Kis5Yu-town, Kissyu.gun, N. Kankyo Do, White trifo!ia beds in Central Hondo. Ibid., Shale of Kissyu formation (l£f:llt.iit. 'E*I Vol. 11. :m; i'i +HI!!. Ti :Ill M l'l ~Xi ~0 NAKAI, T. (1919) Report on the Vegetation Ulmus shiragica, sp. nov. and Zelkowa of the Island Ooryonglo or Dagelct Ungeri (Err) ROTV ATS. Island, Corea. (in Japancs~). Kinkodo, Usen-men, Geizitu·gun, N. Keisyo Do. NATHORST, A. G. (1833) Contribution a Ia Enniti series (lfl(:.r~l:.i![, l!!! S -u~.(.!;Jlllti~~ flore fossile du Japan. Kg!. Sv. Vet. iln1. ~HI *'t) Akad. Hand/., Vol. XX. Ulmus shiragica, sp. nov. and Zelkowa NATHORST, A. G. (1588) Zur fos3ilen Flora U11geri (ETT.) KovATS. Japans. Palaeont. Ahll., Vol. IV, HI. 3. 74 Kazuo HUZIOKA
Explanation of the Plates
(The figures are of natural size)
The specimens are stored in the Institute of Geology and Mineralogy, Faculty of Science, Hokkaido University, Sapporo.
Plate 5
Figs. 1-3 FtiCt•s l10raica, sp nov. Loc. Ryuhokudo, Kokangen coal-mine, N. Kanl Plate 6 Figs. 1-2 Fagus Uolanii, sp. nov. Loc. Ryuhokudo, Kokangen coal-mine, N. Kankyo Do, E11gelhardlia bed. Fig. 3 Fagus prololollgipetiolafa sp.' nov. Loc, Ibid. Fig. 4 Fagus ferruginea AlT. Living leaf for comparison. Loc. U.S.A. (collected by S. ENDo). Fig. 5 Fagus lollgipctiolala SEEMEN. Living leaf for comparison. Loc. China (forwarded from S. TANG of the Peking Fan Mem. Inst.) Fig. 6 Ulmus sltirogica, sp. nov. Loc. 1\inokodo, Us:·n-men, Geizitu.gun, N. Keisyo Do, Enniti series. Fig. 7 Zelkowa Ttlwc OISHI et 1-IUZIOKA. Loc. Ryilhokuclo, Kokangen coal-mine, N. Kankyo Do, Eugelltardlia bed. HuzloKA, Tertiary Plants from Tyoscn (Korea) PLATE 5 Photo. by K UMANO Huzto KA, T ertiary Plants from Tyosen (Korea) Pr.ATE 6 Photo. by KUMANO 'l'rans. Proc. Palaeont. Soc. Japan KS., No. 3, pp. 75-80, 2 text.figs. pl. 7, Sept. 1951. 1\lfiscelhmeous Notes on the Cambro.Qrdovician Geology and Palaeontology No. XXIII. 203. ON THE LATE UPPER CAMBRIAN (FENGSHANIAN) FAUNA IN EASTERN JEI-IOL.* By TEIICHI KOBAYASHI Geol. lnst. University of Tokyo. ~ iPJJI!ilfl"-~ 'Jl:;Jitf~i&1Yl (!!!),ill tit) "-~ifYJil:'~f.Y;- Ju:U:!!iUl tF!l~~(;t~-Tf31T.~ o lmlillgscl/a jcholcnsis (nov.). Pseudagnosllts hzumgluoensis (nov.); Ifaniwa quadrata, QmulraticepJzaills pyrus, Asioptychaspis cfr. ceto. A. c:~lyce, Pseudosau/1ia stmi (nov.) .& tF!'ml!ri. ·rtYJ VJ Saukid }{;{6: a: ;l'l:l ~-l"o 0 k"-1? t, Pseudosaukia l;t'\'fr~"C: In Eastern Jelwl there is the late Upp~r In the southwest of Haungluohsien ill· Cambrian i. e. Fengshanian series, but preserved Calvinella is found crowded the middle and early Upper Cambrian along a ravine in two horizons in the i. c. Daizanian and Changshanian series upper Fengshanian red sandy shale (loc. have not as yet been discovered. In the 10), some 10 metres above the Tsinania Fcngshanian which is composed of sand horizon (Joe, 11). For the Cambro·Ordo stone, sandy shale, marl, slabbly lime· vician stratigraphy of the district the stone and limestone conglomerate, red reader is referred to my previous paper color is most prevalent. It indicates pro· (19H). Further, Asioptychaspis calyce bably a marginal facies of the Upper (WAr.coTT), A. cfr. ceto (WALCOTT) and Cambrian formation of Eastern Asia. Tsinania sp. were contained in a red In the Huangluohsien district, west of coarse sandstone and only Pseudosaukia Chinchou, the middle Fengshanian red srmi KosA Y ASH! in a dark red marl, micaceous sandstone at a point (loc. 16) both collected at a locality of Y angchia WSW of the Hamashan colliery yields chengtzu, 5 km. SW of Huangluohsien. the following fossils: This fauna is as yet undescribed except Hamaslla11ia Pttlchra, the pygidium of Billingsella jcholensis KoBAYASHI, new species. which is so aberrant that it made me to PseuJagnostus lmangluoensis KoBAYASHI, institute a new genus (19•12). It is fur new sp~cies. ther a remarkable fact that a pygidium }{aniwa quadrala KOBAYASHI. from the Middle Cambrian Taitzu for Quadraticepha/us Pyrus KoBAYASHI. mation at Hsiaohsih (Fengtien Province) Pscudosaukia stmi KoBAYASlll, new genus in Manchuria on which ENno (l!l-H) es and speci<~s. tablished Hsiaohsia quadrata, new gen. Tsit1011ia cane11S (WALCOTT). and sp. reveals a remarkable resemblance /Iamash01zia pulcllra KoBAYASHI. with it. All other fossils arc described here except Tsinania catte1Zs \vhich will *Read Dec. 2, 1950; rec~ived 1\Iay 11, 1951. be discussed in a following paper. 75 'i6 Teiichi KoBAYASHI E. pagoda (WALCOTT), 190:5 Billt"ngsella jelwlensis KoBAYASHI, Fengshanian new species E. slzakuolzmensis SUN, 192't Fengshanian (Eoortlzis zone) Plate 7. Figures 1-4 E. pagodiformis KoBA Y ASJII, 1933 Some 20 species of Pomatotremata de Fcngshanian (Dictyella zone 'I E. tafoensis RESSER and ENDO, 1937 scribed by KAYSER (1883 ), WALCOTT Changshanian (Paishan) (1905, 12, 13), MANSUY (1916), SuN E. edwardsi RESSER and ENDO, 1937 (1924), KoBAYASHI (1933, 35) an·J RESSER Changshanian (P.1ish:m) and ENno (1937) from the Upper. Cambri PalaostroPizia orlltia (WALCOTT), 1905 an of Eastern and Southeastern Asia, Fcngshania'l and (?) Dai are referred to Billingse!la, Eoorthis. shanian !Iuenella or else as listed below. They Huenella orienta/is (WALCOTT). 19)5 are specifically distinct as can be judged Fengshanian from their outline and surface sculpture, H. sexplicata KoBAYASIII, 190:5 but their preservation is mostly not Fengshanian durable to the strict taxonomy as recently In Billingsclla jelzolensis KoBAYASHI, improved by CooPER and others, except new species, the shell is subqiladratc, Shiragia biloba KoBAYASHI, 1935, and its hinge margin being however, shorter SyntroPizia ortlda WAr.c.:oTT on whieh 1·han the maximum breadth, and bi PalaeostroPhia was instituted by Ur.RICH convex, the convexity being stronger on and COOPER (1936). the dorsal valve. As usual in Billingsella Billitlgsella pumpel/yi WALCOTT, 19D5 the vascular trunks are well developed, Changshanian especially on the ventral valve; cardinal B. lozmgcoensis MANSUY, 1916 process seen on the dorsal valve to be Fengshanian a short simple ridge. Surface is orna B. tonkimt1sis MANSUY, 1915 mented by very fine innumerable ribs Changsh;~nian on which account it looks very similar B. gol/!chei KoBAY AS III, 1933 to Eoorthis shafmotutzensis SuN, 1924, but D:~ishanian B. ltsisltm:ensis KoBAYASIII, 1933 the outline is a little protruded laterally Fengshanian along the hinge line in SuN's. The B. wil/isi RESSF.R and E~Do, 1937 holotype dorsal valve is 13.8 mm. long; Fcngshanian (Yenchou) its breadth 15.5 mm. at the mid-length B. aojii RESSF.R and ENDo. 1937 and 13.3 mm. along the hinge margin. Changshanian (Paishan) B. simplex RESSER and ENDO, 1937 Changshanian (Paishan) Pseudagnostus jeholcnsis KoBAYASHI, B. laohuensis ENDo, 1944 new species Fengshanian Shiragia biloba KoBAYASIII, 1935 Plate 7, Figures 13-14 Changshanian This species is represented by an Eoorlhis limwrssoni (KAYSER), 1883 external and internal mould of a pygi Fengshanian E. dcois (WALCoTT), 19:35 clium, 3 mm. as long as broad, which is Fengshanian subquadratc and strongly convex; its E. kayseri (WALCOTT), 1~03 marginal rim unusually broad, thickened Fengshanian on the rounded postero-lateral side: On the late Upper Cambrian (Fengshanian) Fauna in Eastern ]chol 77 anterior axial lobe unsegmented and This species has already been described non-tuberculated, broader than the pleu in some detail, but now it is found that ral lobe, subquadrate, somewhat nar the free cheek has a short genal spine. rowing back and outlined by a distinct The associated pygidium is twice longer furrow; posterior lobe, on the contrary, than broad, about same size with tne only discernible by cross light, narrows cephalon and surrounded by a narrow back gradually and terminates at a short border ; anterior margin gently arcuate ; distance from the rim ; pseudolobe rem· ax.ial lobe narrow, prominent and com gnizable by slight difference of convexity, posed of three rings and a terminal swelling back very abruptly ; surface lobe whence a blunt post-axial ridge smooth. issues : pleural furrows strong, but inter Among some 15 species of Pseudagnos· pleural furrows are weak ; and marginal tus (KoBAYASHI, 1937), P. gyps (Cr.ARI\), border flat and of moderate thickness. 1923, and P. cyclopygeformis (SuN), 1924, Five species are known of this genus may be the closest allies. The anterior among which the subquadrate glabella axial lobe is, however, hi-segmented in and broad pygidium arc the most signifi the former, while the posterior axial lobe cant characteristics of this species. The is practically obsolete in the latter. glabella is more elevated in H. convexa Further the median tubercle is present and the pygidium longer in H. sosanensis. in them but absent in this species. Quadraticep!talus pyrus KoBAYAsm, Ha11iwa quadrata KoBAYASHI, 1933 1933 Pl:lte 7, Figures 5-7. Text-figure 1 1933. QuadraticePhalus pyrus KoBAYASHI, japa11. ]our. Gaol. Geogr. val. 11, p. 1933. llauiwa qundrata KoBAYASHI, japan. 123, pl. 12. fig. 8. jour. Geol. Geogr. vol. 9, p. 149, pl. 15, figs. 7-8. Quadraticephalus SuN, 1924, em. KoBA 1937. Jla11iwa quadrat:l KoBAYASIII, jour. YASHI, 1933, can easily be distinguished Fac. Sci. Imp. U11iv. Tollya. sect. 2, vol. from Cllangia SuN, 1924, by the size and 4, Pl. 2. p. 244, pl. 7, figs. 1-2, 5-6, 19-20. ·position of the eyes, although the two are considered congenetic by RESSER, 1942. Beside Q. walcotti SuN, 1924, which is the type species, QuadraticeP!zalus comprises Ptyc!zaspis calcltas WALcoTT, 1905, (]. manchuricus KonAYASIII, 1933, Q. teres REssER and ENDo in KoBAYASIII, 1933, Q. quadratus KonA Y AS III, 1935, Q. elongatus KoBAYASHI, 1935, PtychasPis (?) fengshanensis Su:-;, 1935, and possibly Q. (?) convextts SUN, 1924. RESSER 's reference of Anomocare bianos WAr.coTT, 1905, to it (1942) is however doubtful. In the outline of the glabella and other aspects a cranidium at hand is typical of Quadraticeplwlus pyrus ; test seen Text-figure 1. JlatJiwa quadrata KoBAYASIII roughened by granulation where it re- 78 Teiichi KoBAYASHI mains. It is noted on the posterior limb is generally granulated in Saukia, but of the fixed cheek that there is a promi smooth in Pseudosaukia. nent but short ridge along the dorsal Type species :-Pseudosaukia stmi Ko furrow on each side of the pre-occipital BAYASHI, new species. lobe. Di'stributiou :-Fengshanian in Eastern Asia. AsioptychasPis cfr. ceto (WALCoTT), 1950 Pseudosaullia stmi .KoBAY AS III, new gen. and sp. This ig represented by incomplete smooth cranidia. The smooth free cheek Plate. 7. Figures 8-11, Text.figure 2 'found associated is, however, flat like the Glabella subquadrate, much longer one of Ptychaspis (?) sp. undt. in vV AL· than wide, more or less rounded in front, coTT, 1913, on pl. 17 in fig. 1. The outlined by a deep dorsal furrow ; antero- lateral ·rim is stout, distinctly elevated and protruded back into a spine, but the meso-occipital furrow as shown by WAr.coTT cannot be seen. AsioptychasPis calyce (WALcoTT) 1915. Ptyc!zaspis calyce WALCOTT, Proc. U. S. Nat. Mus. Vol. 29. p. 72. 1913 PtychasPis cJlyce WALCOTT, Resrarch iu China, vol. 3, p, 184, pl. 16. figs. 15, 15a. 193~. AsioPtJchaspic calyce KonA YASHJ, Japan. J ou~. Ceo!. Gcogr. vol. 11, p. 118. Two other cranidia of similar outline Text-figure 2. Pteudosaukia stmi from the same locality with the preceding KoBAYASHI are identifiable with Asioptychaspis calyce (WALcoTT), 1905, because of their pustn· lateral furrow indicated only by a pit; lose test. postero-lateral one deep, oblique and confluent with its fellow; occipital furrow Genus Pseudosaukia KonAYASIII, deep and transversal; occipital ring thick ened in the middle ; eyes relatively new genus large and opposed at the middle of the Though this is similar to Saullia glabella ; cranidium measured between WALcoTT, 1914, em. ULRICH and RESSER, the eyes twice broader than the glabella ; 1933, in the cephalon, the difference in frontal border moderately convex and the breadth of the fixed cheek evidently fairly thick. Free cheek provided with prohibits their confusion. The chief a long spine. distinction between the two genera lies Pygiclium nearly semi-circular, but its in the pygidium which is subcircular and frontal margin is slightly arcuate; axial provided with a flat border in Sazekia, lobe teretely conical, divided into three while it is semi-circular and its border or four rings and a rear lobe which is distinctly inclined. Furthermore the test abruptly narrowing; pleural lobe pro· On the late Upper Cambrian (Fengshanian) Fauna in Eastern Jehol 79 vided with three pleural furrows, nearly E;.;no, R (1914) Restudies on the Cambrian flat and inclined abruptly near the Formations and Fo3sils in Southern Man periphery. Surface smooth. choukuo. Bull. Central Nat. Mus. Man The detached carapaces can safely be choukuo, 7. combined in the species because no other KAYSER, F. II. E. (18S3) Cambrische Brach· iopoden von Liau-tung in RICIITHOFE.!-I's fossil is found in the same slabs. A Chi1w. Bd. 4. prominent spine issues from the axial KoBAYASIII, T. (1933) Upper Cambrian of ring on some detached thoracic segments. the 'Vuhutsui Basin, Liaotung, with spechl In Saulu'a aojii KoBAYASHI, 1933, the Reference to the Limit of the Chaumitian fixed cheek is narrower, eyes smaller (or Upper Cambrian) Eastern Asia, and and its test granulated. its Subdivision. japan. four. Geol. Geogr. tJol. 11. - (1935) The Cambro Ordovician Forma· Suakid-pygidium, gen. and sp. undt. tions and Faunas of South Chosen, Palaeon tology, Pt. 3, Cambrian Faunas of South Plate 7, Figure 12 Chosen with specbl Study on the Cam. Pygidium almost twice broader than brian Trilobite Genera and Families. Jour. long and semi-circular, but the articu Foe. Sci. lmP. Univ. Tokyo, sec/. 2, vol. lating margin is gently arcuate and 4. pt. 2. - (1937) On the Agnostids. Pt. 1. four. distinctly facetted on the lateral sides ; Fac. Sci. Imp. Utliv. Tokyo, sec/. 2, vol. axial lobe stout, prominently elevated 5, pt. 5. above the flat and gently inclined pleural -- (19H) The Cambro-Ordovicirm Forma. lobes, subcylindrical, but abruptly nar tions in the Vicinities of Huangluohsien, rowing in the rear part, and composed west of Chinchou. in Eastern ]ehol. Bull. of three rings and a terminal lobe ; Geol. Ins/. Mm1choukuo, no. 111. pleural lobe gently inclined toward the - (1942) Two New Trilobites Genera, periphery ; first rib prominent; others Hamaslwnia and Kirkella. Jour. Geol. Soc. flat-topped but divided into two bands Japatl, t•ol. 49. by a mesial weak furrow; pleural furrow MAl';SUY, H. (1915) Faunes Cambrienncs du shallow but relatively broad ; marginal Haut-Tonkia. Mimt. Set·v. Gl:ol. de l'bzdo. border of moderate breadth, delimited chine, 1•ol. 4, fasc. 1. -- (1916) Faunes Cambriennes de !'Ex. in~ide by a shallow groove and somewhat tremc-Orient Meridional. Mem. Serv. Geol. bent up behind the axial lobe. Surface de l'lndochine, vol. 5, fasc. 1. smooth. RESSER, C. E. (19-1.2) Fifth Contribution to In the general aspect it reminds me Nomenclature of Cambrian Fossils. Smiths. of a suakid, but there is no trilobite in Misc. Coli. ~·of. 101, no. 15. the collection which is thought to have -- and R. ENDO (1937) The Sinian and this as its pygidium. It is a little taller Cambrian Formations and Fossils of South' and about three times larger than that ern Manchoukuo. !lfat~clmrian Sci. Mus. of Haniwa quadrata and I have seen Bull. 1. any of I/aniwa which grows so large. SuN, Y. C. (1924) Contributions to the C:~m· brian Faunas of North China. Palaconlol. Sinica, scr. B, vol. 1, fasc. 4. References -- (1935) The Upper Cambrian Trilobite CLARK, T. H. (1923) A Group of New Species Fauna> of North China. Palaeonfol. Sinica, of Agnoslus from Levis. Quebec. Canada scr. B. vol. 7, ja!c. 2. Field Naturalist, vol. 37, no. 7. ULRICH, E. 0. and G. A. COOPER (1938) 80 Teiichi ·KoBAYASHI Oz'lrkain and Canadia1 Brachiopoda. Ceo/. -- (1912) Cambrian Brachiopod:t, U. S. Soc. Am. Sp. Pap. 110. 13. Gcol. Surv. Monogr. 51. .-- and C. E. Res>er (1913) The Cambrian -- (1913) Cambrian Faunas·Of China. Re of the Upper Mississippi Valley, pt. 2, search in Chi11a val. 3. Trilobita; Saukinae. Bull. Pub/. Mus. City -- (1914) Dikelccephalus and other Genera Milwaukee. vol. 12, no. 2. of the Dikelocephalinae. Smiths. Misc. ''TALCOTT, C. D. (1905) Cambrian Faunas of Coil. val. 57. 110. 13. China. Proc. U. 8. Nat. Mus. vol. 30. Explanation of Plate 7 Billingsella jeho!emis KoRA YASHI, new species ...... 76 Figure 1. Dorsal valve, internal cast Figure 2. Dorsal valve, internal mould, holotype Figure 3. Ventral valve, external mould Figure 4·. Ventral valve, internal mould All twice magnified. Haungluohsien. Jehol. (Joe. 16.) Haniwa quadrate KoBAYASIII, 1933 ...... ·77 Figure 5. Cranidium Figure 6·. Free cheek Figure 7. Pygidium All five times maMified. Haungluohsien, .Tehol, (Joe. 16). Psudosau/iia stmi KoBAYASHI, new gen. and sp...... 78 Figure S. Cranidium, holotype Figure 9. Free cheek Fiaure 10 Pygidium Figure 11. Cranidium All twice magnified. Yangchiachengtzu, Jehol Suakid-pygidiurn, gen. and sp. undt...... 79 Figure .12. Pygidium One and half times magniged. Huangluohsien, Jehol, (loc. 16). Pseudagnoslus jeholensis KoBAY ASH!, new species ...... 80 Figure 13. Pygidium, cast from an inextcrnal mould F!gure 14. Pygidium, internal mould of the same individual, holotype All six times magnified. Haungluohsien, Jehol. ( loc. 16). These specimens arc all stored in the Geological Institute, University of Tokyo, Japan. KoBAYASIII, Upper Cambrian Fauna in East Jehol P t.AT B 7 1 s ,, G .-..rrtf\' ' ··Y'\·n·~ :.· .~~~~~ ' ·, ~,... -~· ·f ~ r '\.,"'. :L.: ·:~f'4:··... \ .. •- ,.. il 'I -• .: }, ·~.: ', ' . . . I ·, . '• ' . '1'1 ... \~'.... '.".,;::-,· i ! l' . 1~:. . . 9 12 tO 13 Trans. Proc. Palaeont. Soc. hpan N.S., No.3, pp. 81-84, pl. 8, Sept. 1951. 204. NAGATOELLA FUJIMOTO!, N. SP., AND A NEW STUDYING METHOD FOR FUSULINIDS.* ROKURO MORIKAWA** Saitama University of Earth Sciences ;\'Ji!'!!l Nagatoellafujimofoi ~tliiil!!llv.>tfib l.II•N:''It:iir:I:K-:)11·-c: Nagatoclla ~IJ: 1936 'F. ThomPson ~; ft!"J iii tD Schellwienia elliPsoidalis nr. oricntalis Ozaw:~ ~ Genotyp:- 1: L. --c4tr t Ltd'Jf~"t:.~.> o :zl>ljt~!j;fJfJ ~flliil!!ilf!WI. !;~:~~~A.~IHl!ilf!J!f,ltr'.?-illiK-1sv· T Nagato:lla tD-:OOa: ~f.I.Lt.: 0 .::tLIJ:Ji"litKJ: < chomata :ll'ft~l."C.Oovrt!, "t-~. 1\'ait~tt.ictrD.!:IlHbti>KV/i };lj ~.fl-tD"C, C. ~K N. fujimoloi 1: L.<:ft,;&·;.:," Y... Fust1li11a l;tVf;lj~. it'JI1'10:: L<:J!'&L.ic iJ:. 11= J1t.tiiJJl·,.:: L.t.rv· ·c, ..H. ~lfii ocltf < v.> Jrc:&Mil'i!ll'dll.:: .t ·:n·wn;~ 1' o ::i.ii.H: ~~Lt.: v.><: rt K 'i: tD1flt ..H: ft:&i" 0 0 ~JII :t;~ In the vicinity of Shomaru T6ge 2. Nenoyama Group ...... (Pass), Agano-rnura, Jruma·gun, Sai· graywacke, c'ayslate, chert, schalstein, tama Pref.. the Titibu System is exten and Schwagcrina limestone. sively distributed. H. FUJIMOTO, of the 1. Takayama Group ...... Tokyo University of Education has been Mainly, composed of black clayslate rather actively .engaged in geological with graywacke and chert. surverying of this district during the past These Groups, crop out mostly along few years. The results of his work have an anticline and t1vo synclines. For already bt'en published.I 1 However, convenience of description, these folds many changes in the delimitation of the are named as follows: Kamikuzu syn Titibu System are necessary as a result cline, Anaz;nva anticline, Nitayama syn of my restudy of the area. I have sub cline. The general trend of the axes of divided the strata in descending order these folds is NS0-60° W. as follows: I collected several good specimens of 4. Kamikuzu Conglomerate ... Fusulinids which may belong to "Naga conglomeratic limestone. toella" at Shimokuzu in the Kamikuzu 3. Nitayama Group ...... conglomerate, the uppermost group in graywacke, clayslate, chert, schalstein, this district. Since "Nagatoella" is a and Neoschwagerina limestone. very questionable genus I shall discuss it in the following paragraph. * Read. Dec. 2, 1950; received May 12, Genus Nagatoella TnoMrsoN, 1936. 1951. ** Contribution from the Labontory of Earth Genotype.Scllcllwienia elliPsoidalis var. otien. Sciences, Saitann Universit¥. talis OZAWA, 1925, jour., Coil. Sci., Tokyo 1) H. FUJIMOTO: Stratigraphical and Pala Imp. Univ., Vol. 4.';, art. 6, pp. 22, 23, pl. 8, eontological studies of the Titibu System fig. 3. (Not pl. 6, fig. Ia, pl. 8, fig. 5.) of the Kwanto-mountainland P<~rt. I. Nagatoella TIIOMI'S0:-1, 1936, ]our. Geol. Soc. Stratigraphy. 1946, Science Reports of the japan, Vol. 43, pp. 196-198. Tokyo Bunrika Daigaku Section C No. 4. Scewageritla (Part) DUNBAR & SKINNER, 81 82 Rokuro MoRIKAWA 1937, T~xas UtJiV., B111l. 3701, pp. 623- cimens can be distinguished from Schwa· 627.-DU:'lli;\R, (in CUSHM,'IS) For.1minlfera, getina by their ellip':loidal shape, low pp. 145-J.I6.-Dmm.-\R & HENRF.ST, 19-!2. septel fluting, distribution of axial fil· I/:inois G2ol. Survcry, Bull. 61, p S2. lings, the development of the spirotheca The genus was established by TuoM· with growth of the shell, and the num PSoN in 1936 on the· basis of "Scllel ber of volutions. lwienia eltipsoidalis var. orienta/is These features are the character:stics OzAwA." His original description is as by which Tno~tPso:-. established the follows : " The shell of the Nagatoella genus "Nagatoella ". Therefore, I accept THOMPSON is large and ellipsoidal, hav THoMPsm;'s genus "Nagatoclla ". ing broadly rounded poles. Mature shells Nagatoclla seems to have developed of thirteen volutions are 6 to 7 mm. long from Triticites by the development of the and 3.5 to 4.5 mm. wide. The shell is chomata and to b~ an ancester of ellipsoidal throughout growth of the indi· Doliolina and Pse:uladaliolina according vidual, and the poles arc broadly rounded to its shape, number of volution, and throughout the shell. The spirotheca is parachomata. composed of a tectum and a coarsely alveolar kcriotheca. The spirotheca is Nagatoella fujimatoi, new species. thin in the first three to four volutions, but it is thick in the outer volntions. Plate 8, Figures 1-9 The septa arc fluted throughout the DescriPtion-Shell large, ellipsoidal, length of the shell. having broadly rounded poles. Mature The fluting is widely spaced and is shell of 11-12 volntioas and have a form confined to the lower margins of the ratio of about 1 : 2. The width is about septa. The chomata are narrow and low 2.7 mm. and the length 5 rhm. The in the inner four to five volutions and spirotheca is very thin in the inner are discontinuous in the outer volutions. volutions, but it becomes rathe1· thick Deme calcite almost fills the chambers in the outer volutions. It is composed to the edges of the tunnel in the inner of a tectum and keriotheca, and deposits five to six volutions, and ftlling cover of dense calcite cover its surface in all the inside of chambers from the tunnel volutions, so in the oblique section, the to the poles in outer volution." septa cannot be seen in the inner volu· DuNBAR and his colleagues rejected the tions. The septa are thick, and are genus "Nagatoe/la ", and placed OzAWA's fluted throughout the shell length. The original specimens of Schellwienia in semi-circular chomata are distinct in all Scltwagerina. volutions, and the tunnel angle is 25°. In my later field worl<, I collected many The proloculus is spherical, very small good specimens of" Nagatoella" and will and its inside diameter measures about describe bter. I concluded that the spe- 100 microns. Nagatodla fujimotoi, n. sp. and a new studying method for Fusulinids 83 Result of measurement are as follows Rate of growth Thickness of spirotheca ', No. of septa -- - ~- I Proloculus 0.10 0.11 1 0.15 I 0.22 0.08 O.Dl 9 2 0.28 0.25 0.08 0.01 13 -----' 3 0.16 0.40 0.01 16 o.~8 ~ ~ ~=--I --~ ---- 4 0.48 023 0.51 0.08 O.Ql 18 I ~------5 o.;;s I o.3•l 0.65 I 0.08 0.02 21 ------6 0.82 0.5:> 0.80 0.08 0.02 23 18 ------~ I 7 1.15 0./6 1.07 0.08 O.D7 I 0.03 21 21 ------8 1.:-18 1.18 1.32 0.09 0.07 0.03 26 ~4· 9 1.88 !.75 1 92 0.14 0.11 I 0.04 33 2.5 -~------10 219 .2.17 0.14 0.11 0.08 33 25 11 2.60 2.69 2.72 0.12 0.12 0.10 31 30 ------Specimen I 6 7 1 6 7 1 1 3 1 Comparisons :-The general appf'arance Schwagerina sp., lt1izzia velebitatza, Pse· of this species is like Nagatoella orietztis w:losclzwagerina sp., and Pleurotomaria THoMPsoN, but its better development sp. of the chomata in all volutions and the Cotype No. 10506 ...... Laboratory of small proloculus serve readily to dis Earth Sciences, Saitama University. tinguish the present specimen. This species also allied to Pseztdodoliolina New method of Study for Fusulinids. ozawai Y ABE & HA~ZA WA, but differs in ·having remarkable parachomata. The inserted photographs have been Remarks :-The specific name is given taken of the new etching method. Pre in honor of Professor Haruyoshi Fun- viously thin sections had to be made to 1\H>TO, the Tokyo University of Edu study fusulinids. Since it is very diffi· cation, from whom I have received valu cult to make thin sections, I worked out able help and many suggestions in my another way of studying Fusulinids. palaeontological work in Fusulinids as The basis of the method is to etch the well as for my field study in Titibu specimens by acetic acid. The first step district. is to polish the material with a grinding Occurrellce :-Middle Permian. In the machine and flatten the surfaces. Then, conglomeratic limestone at Shirnokuzu, immerse it in 20.% acetic acid for about Agano-mura, Iruma-gun, Saitama Pre 2-3 miniutes Again, polish with chromi fe<:ture. The present specimens are found um oxide or red ochre on woollen cloth, in association with Parafusttlina japo11ica, so that a luster is given and the .fusuli- 84 l~okuro MORII Explanation of Plate 8. Naga!otlla fujimofoi, n. sp. Fig. 1. cross section xlO 2. , x25 3. " ,, (slightly oblique) xlO 4·. ", , ( , II ) xlO 5. II ,; ( II , ) xlO 6. axial section X 10 7. , , (slightly oblique) xlO , ( , xlO B. " " ) M oRJKAWA, Nogatoella Fujimotoi, N. Sp. P LATE 8 1 3 4 5 6 7 2 8 Trans. Proc. Pabcont. Soc. Japan N.S., No. 3 pp. 85-93, 2 text.figs Sept. 1951. 205. ON SOME EHRENBERGINA FROM JAPANI> by YOI\ICHI TAKAYANAGI Institute of Geology and Paleontology, Tohoku University, Sendai, Japan. ll*.ilti: Ehre11bergi11ll 11.).=-==::to::-:?~<•-c: £J_,f~l1.)~~*ill1.) Ehrenbrrgina f:t ~ 11.)_iit1/fl ~:§!.~~>-c ']N.c <. E.ilfi~J.~.!: ~~~t'.(\1.1· I; f!P;!i' ~ .fL "CI<• o IO::it!U't.ttJ·~td:, -4'-lnFfl::/Ht)jJI\U'f'.ffil1.)tfi"tJilltfi fL!lll1.)~~ !flt.: .{.:~ ~ JUII L, !If 10:: !d11Htti!I 11) ~~~ :tfi i/i:P· b t lii.ll.t.::. .tL l): .iliHI\ To .::. l: l): /f'IJ IJ] L 1c INTRODUCT!0:-1 material collected by Messrs. Kenw The genus Ehrenbergina which was HATORI and Toshio ABE from the Plio first described by REuss in 1850 based cene formations of the l3oso Peninsula, upon E. serrata REuss from the Miocene Chiba Prefecture. These are described of Austria, is now known to contain more in this paper and the Japanese Tertiary than 30 species and subspecies. These forms are brought into comparison with species have been reported from remote previously known related forms. localities ranging from the Eocene of In the present paper, 14 of the known North America, the Oligocene and Mio 30 species and subspecies of Ehrmzbergt"na cene of the West Indies and the Pliocene are brought into comparison with the of Japan. As l~ecent the genus has been Japanese forms of the genus. The reported from the Indo· Pacific and tropi remaining 16 species were omitted from cal western Atlantic, but is most abun comparison, owing · to their not being dant in the Pacific ; its bathymetric range intimately related forms. is from the littoral wne down to 2000 The species brought into comparison fathoms. with the Japanese forms are: The occurrence of this widely distri Ehrc11bergina ami11a BERMUDEZ buted genus in the Tertiary of Japan E. brodyi CUSHMAN was first made known by AsANn (1938), E. caribbea GALLOWAY and who described Eltrenbergina serrata lJ£'MlNWAY REuss from the Pliocene Nojima for- E. compressa CUSHMAN mation at Nojima, Kanazawa-machi, E. falcata BERMUDEZ Totsuka-Ku. Yokohama in Kanagawa E. mestayeri CUSHMAN Prefecture. Recently he (AsAt-:o, 1951) E. 11UVo/is HADLEY reported a new species of the genus from E. pacifica CUSHMAN Pineyroi BrmMUDEZ the Miocene Awakura formation at the E. E. serrata REUSS northern end of the Noto Peninsula in E. serra!a gibbcra GALI.OW A Y · Ishikawa Prefecture. and HEMINWAY Fortunately, the writer discovered ad E. spinossisima CUSHMAN and ditional species of the genus in the JARVIS E. trigona GoEs 1) Read May 3, 1951; received June 13, 1951 E. trigona braziliensis CUSHMAN 85 I 86 Yokichi TAKAYANACI qj @ @ 1 b 1 a 1 c 3 a 3 b <::]> ·I u ·1 a 7 b 6 7 a 7 c Explanation of Figures 1-7. Fig. 1. Ellret1bergina amintl FERM UDEZ. x 80; a. ventral view; b, apertural view ; c, dorsal view. After BERI\lUDEZ. Fig. 2. Ehrenbergina tiotocnsis ASANo. x 62: a, ventral view; b, dorsal view. After ASt\1':0. Fig. 3. Elrrenbcrgina serrala REUSS. size not given; a, ventral view; b, dorsal view. Afl<~r REUSE. Fig. 4. El!renbcrgina sPinossisima CUSHMAN and ]ARVIS.x50; a, ventral view; b, apertural view. After CUSHMAN and JARVIS. J AcknowleclgcJncnts surface; wall smooth; ;,perture elongate, narrow, slightly curved, near the middle The writer thanks Dr. Kiyoshi AsANo of the test, nearly parallel to the margin. for supervising the present study, Prof. Length up to 0.5 mm; width up to 0.4 mm. Shoshiro HAKZAWA for the permission Holotype :-Ishii, Yanagida-mura, Noto to submit the manuscript for publication, Peninsula, Ishikawa prefecture. Lat. 37° and Dr. Kotora HATAI for his advice 22' 24 11 N., Long. 137° 6' 40 11 E. Awakura concerning the present work. Thanks formation, Miocene. IGPS coiL cat. no. are also due to Messrs. Kenzo HATORI 66145. and Toshio ABE for kindly submitting Occurrence :-Common in the Miocene their materials to the writer's study. formations of Noto Peninsula, Ishikawa Prefecture. Systematic Description Remarks :-The following species be· Family Cassidttlinidae long to the same type with E. 1totoeusis, namely, E. amina, E. compressa, E. ser Subfamily Cassidulininae rata, E. sen·ata gibbera, E. sPinossisima Genus Ehrenbergiua REuss, 1950 and E. tt·igona brazi/iensis. E. amitta is from the middle l\1iocene of Vominica, By the form of the median part of E. serrata from the Miocene of Austria, the ventral side the species treated herein E. sen·ata gibbera from the upper Oligo can be distinguished into two types, cene and lower Miocene of Porto Rico namely, those of lens-shape or type 1 and, E. sPinossisima from the Miocene and those of subtrigona! shape or type of Jamaica, middle Miocene of Haiti and 2. Among the Japanese species, E. Dominica. E. compressa and E. trigona notoensis belongs to type 1 and E. boso· brazilie11Sis are Recent species from the ensis and E. bosoensis decorata to type 2. tropical wne off the coasts of the Pacific and Atlantic sides of South America. Eh:·enbergina 1totoensis AsANo, 1951 In classifying this first type, the form Text-figures 2a· b. of coiling of the early chambers, sutures and development of the spines are im· 1951. Eh,.cnbergina t1oloa11sis ASANO : lllust. portant. For further classification, for Cat. Japan. Tcrt. Small. Foram., pt. 7: example, in the case of and Cassidu!inidae, p. 6, figs. 29, 30. E. compressa E. serrala, the E. serrata, the proportion DescriPtion :-Test subtriangular in of length to width and tapering angle dorsal view, lens-shaped in apertural arc used. The characters and figures view, oval in side view, the early part of each species are shown in Table 1 as thick as the later part, which is and Figs. 1-7. uncoiled; dorsal side convex, ventral side somewhat depressed; edge rounded, al· Elzreubergina bosoettsis TAK~YAKAGI, most entire on earlier portion ; with a n. sp. few spines on later portion, chambers Text-figures Sa-c. low and broad, not inflated, about 6 pairs visible on dorsal side; dorsal sutures 1938. Ehnmberg,lw sel"mla ASANO (not curved, overlapping about half their REUSS): Confr. Ins/. Ceol. Pal. Tohoku length, flush \vith the surface, ventral Univ. (in Japanese), No. 31, p. 40. suture indistinct, nearly flush \Vith the Description:-Test triangular, short 88 Yokichi TAKAYANAGI Bb 8 a 14 ;I H b 15 13 a 16 b 1G a 13 c ~~~<{>~17 a 17 b 1H a 18 u 18 c On Some Ehret1bergi11a from Jap:m 89 and broad in dorsal view, subtriangular Ehrenbergina bosoensis dec01·ata in apertural and side view; dorsal side TAKAYANAGI, n. subsp. convex, ventral side with a broad median Text-figures 9.t-c. furrow, bounded by concave slopes; edge sharp, with short, snmll. downward Description :-Test triangular, short pointing spines on each end of sutures and broad in dorsal view, subtriangular and spica! end; chambers low and broad, in apertural and side view, dorsal line not inflated, later ones uncoiled, 6 to 7 almost straight in apertural view ; dorsal pairs; dorsal.sutures curved, overlapping side convex, ventral side with a broad less than half their length, limbate, median furrow, bounded by concave raised, ventral sutures raised, curved, slopes; edge sharp, with short, small, obscure on the median furrow; both downward-pointing spines on each end sutures extend to the periphery and form of sutures and apical end ; chambers low spines; aperture elongate, narrow, slight and broad, not inflated, later ones un ly curved, nearly parallel to the margin. coiled, 6 to 7 pairs; dorsal suture curvd, Len.r.,>th up to 0.40 mm; width 0.56 mm. overlapping less than half their length, Holotype :-IGPS Joe. no. Ch-6; South forming raised keels extending to the cliff of the Minato River, abaut 350m N pedphcral spines especially on the earlier of Seki, Sekitoyo-mura, Kimitsu-gun, chambers ; ventral suture raised, curved, Chiba Prefecture. Lat. 3;)0 12' 1511 N., forming raised keels on the earlier Long. 139° 56' 47" E. Kiwada formation, median furrow; aperture elongate, nar Pliocene. IGPS coiL cat. no. 67130. row, slightly curved, nearly parallel to Occttrretzce :-Common in the Kiwada the margin. Length up to 0.40 mm: and Kokumoto formations of the Roso width 0.50 mm. Peninsula, Chiba Prefecture. Holotype :-IGPS toe. no. Ch·7; Road Explana.tion of Figures 8-18. Fig. 8. Ehnmbergina bosoetl!is TAKA YANAGI, n. sp. x 64; a, ventral view ; b, apertural view; c, dorsal view. Fig. 9. Ehrcnhergitza boscensis drcorala TAKAYANAGI, n. subsp.x6•!; a, ventral view; b, apertural view; c, dorsal view. Fig. 10. Ehrcnbergina bradyi CUSHMAN. x 60; a, ventral view ; b, apertural view; c, dorsal view. After BRADY. Fig. 11. Ehrcnbergina fcJcala UEHMUDEZ. x 28; a, ventral view; b, apertural view; c, dors:~l view. After BERMUDEZ. Fig. 12. Ehrcnhergi11a caribbea GALLowAY and IIEMINWAY.x53; a, ventral view; b, apertural view; c. dors:tl view. After CALLOWAY and IIEl\llNWAY. Fig. 13. Elmmbergi1:a Pacifica CUSHMAN. x €0; a, ve:ttral vifw; b, aperlural view; c. dors:ll view. After BRADY. Fig. 14. Ehrcnbergi1:a nave;/ is HADLEY. x 50: a, dorsal view; b. ventral view. After HADLEY. Fig. 15. Ehrenbergina mestayeri CUSHMAN. x 60; ventral view; After CUSHMAN. Fig. 16. Ehrmbe1·gina pi11eyroi BERMUDEZ. x 40; a, ventral view; b, apertural view. After BE~tMUDEZ. Fig. 17. Ehrenbergitml1igona GoES. size not given; a, apertural view; b. dorsal view. After l.aEs. Fig. 18. Elmmbergitza sp x 64; a, ventral view; b, dorsal apertural view; c, dorsal view. 90 Yokichi TAKAYANAGI TAIJLE 1 ' ' Apcrtural view Median part of Species - --- Dorsal sutuns of Outline Dors:1l line ventra side Ehrenbergilla - -~ ------· - . - amitza lens-shaped curved depressed I not raised ____ -~ _ - ---~ compressa I " "? _d_e_p_r_e-ss_e_d_____ [~-- 11 --=------1 --- - tlotoensis ,, flush with I ' I the surface " ~- - --- " ------1 ·- ---, scrrata ' flush with I " " the surface 11 -- -· ' serrata gibbera flush with the surface " " - " sPinossismima later portion " depressed -~- " ~ ---- " trigo11a flush with braziliensis ' the surface - " - " ------" I ------bosoensis , subtrigonal II raised ------[' :_ur_r_o_w_ --- ' - ~road_m_ed_i_a_n --~ ,, , almost bosoe11sis decora/a 1 straight I raised I broad median furrow___ I ------bradyi almost flush with I broad median furrow " straight the surface --- - I ------middle part-of-- ,-broad flat ridge almost caribbea straight the later ones bounded by concave " raised slopes ______------fa/cata curved flush with : last 2 chambers form " the surface ' curved claws --- mestayai curved not at all " depressed raised smooth area - - flush with navalis ' " curved the surface round median furrow ------~ I flush \vith pacifica II curved the surface narrow median furrow almost flush with Pineytoi " straight the surface round median ridge ------flush with with or without trigona " curved the surface central furrow L------~------1 On Some Ehrcn/Jergillll from Japan 91 Chambers Ventral Spines ----- ; Range sutures Number of Overlapping Position Direction ~_pairs ------~-- not raised 4-5 more than half only each side of the last inflated chambers downward 1 mM I_ I -~~1-~- depressed 6-7 1 less than half each edge 1 outward R ----~------flush with I the surface 6-7 by half width later part downward mM ~~depressed ~ kss than half each edge i downward I M ~ --- -- 1 each edge, apical and ventral uO-JM , depressed 6-7 by half width end outward I depressed Jess than half keels and spines M ~utward I ------1 I depressed >s by half width each edge 1 downward R ' . raised 6-7 less than half •~ach end of suture and downward p 1 apical end -- -~ 1 rais;;d 6-7 less than half keels and spines downward p each edge and medi flush with each edge, apical and ventral 6~7 mO-!M the surface by half width end outward 1 flush with each edge and median i the surface less than half? furrow I downward uO ----. I depressed I ;ess than half? each edge ~-c~ownward R I ' ~ ------flush with 4-5 more than half ~~~~o!dge and median outward 0 I~~e surface I depressed more than half upper angle of each chamber outward . R each edge and medhn raised? less than h;ilf? furrow outward uO depressed 6-7 ' more than half lower angle of each chamber downward R u : upper m : middle 1: lower 0: Oligocene M: Miocene P: Pliocene R: Recent , 92 Yokichi TAKAYANAGI side cutting, about 1100 m NNW of from the tropical to subtropical zone off Higashi·owada, Tamaki-mura, Kimitsu the coasts of the Padfic and Atlantic gun, Chiba Prefecture, Lat. 35° 13' 34" sides of the Americas. In classification N., Long. 1:!!.1° 55' 54 11 E. Kokumoto for of the second typz, the form of the mation, Pliocene. IGPS coli. cat. no. 67131. sutures, spines and the median part of Occurrence :-Hare in the Kiwada for the ventral side are the most important mation, but common in the Kokumoto h!Li:ors. The result of the writer's classi formation. fication is shown in Table 1 and figured Remarks :-The following species be in Figs. 8-17. As shown in Table 1, E. long to the same type \Vith E. bosoensis bosoensis and E. bosoensis decorata are and E. bosoeusis docorota, namely, E. distinct from all the other species of this bradyi, E. carribea, E. falcata, E. mes type in their characteristic raised sutures, fayeri, E. tzavalis, E. pacifica, E. pineyroi, and E. bosowsis decorata differs from E. lrigotza. E. bradyi has a wide distri the species by having peculiar keels and bution in the Pacific and Atlantic Oceans, almost straight dorsal line in apertural and occurs from the Miocene of Haiti, view. Pliocene of California and Pleistocene of In Japan, one more species of this the North Atlantic deep sea. E. cm·ribea genus has been discovered from the is known from the upper Oligocene to environs of Semlai, Miyagi Prefecture. lower Miocene of Porto H.ico, E. falrata Unfortunately the specimens are so small from the upper Oligocene of Dominica, that the writer was unable to determine E. twvalis from the Oligocene of Cuba its relation to previously recorded species, and E. Pimyroi from the upper Oligocene it is described below. of Dominica. E. carri!"ea and E. navalis have been recorded from the middle Elzrenbergina sp. Oligocene of Dominica by BERMUDEZ (1949, p. 271), but his figures do not Text-figures 18a··c. agree with the holotype figured by GAL· LOWAY and liEMINWAY or, HADLEY; they Description :-Test small, triangle in may represent allied but undescribed dorsal view, lozenge in apertural view, species. E. mesiayet·i, E. pacifica and subtriangle in side view ; dorsal side E. trigoua are Recent species. Although convex, somewhat inflated at the middle the precise distribution of E. mestoyeri part, ventral side with a median furrow, is not well known it seems to have a bounded by slightly concave slopes; edge rather wide distribution in the Pacific. rather sharp; short, small, outward In this concern CusnMA!'; stated (1927. pointing spines from the edges of each p. 5) "there are numerous records for chamber; chambers low and broad, slight E. serraia in this region some of which ly inflated and waved on dorsal side, at least may be E. mestayeri. " This depressed .on ventral side, later ones un species belongs to the second type, but coiled, about 5 pairs visible ; dorsal owing to that the original figures are sutures rather indistinct, overlapping less inacessible and those given in CusH!\1AN's than half their length, depressed ; ventral paper (1927) being unsatisfactory, the sutures raised, obscure on the median exact charaders are unknown. E. pacifi fnrrow ; aperture elongate, narrow, near co has been recorded from numerous ly parallel to the margin. Length up to localities in the Pacific and E. trigona 0.20 mm ; width up to 0.20 mm. On Some Elmmbergi11a from Japan 93 llypotype :-IGPS loc. no. Mi-89; Road New Zealand: Proc. U.S. Nat. Jt,{us .•. t•ol. side cutting of Takata, Oide-mura, Na 56, pp. 593-640, pis. 74-75. tori-gun, Miyagi Prefecture. Lat. 38, 13' -- (1921) Foraminifera of the Philippine 27'' N., Long. 140' 46' 50'' E. Hatatatc and Adjacent Seas ; Smithso11ian Tnst. formation, Miocene. IGPS coli. cat. no. U.S. Nat. Mus. Bull. 100. vol. 4, (Conlr. Bioi. Phil. A~eh. Adj. Reg.), pp. 1 608, 67132. pis. 1-100. Occurrence :-Commo:1 in the Hatatate -- (1922) The Foraminifera of the Atlantic formation. Ocean Pt. 3. Textulariid"e: Smithsonia•1 Nemarlls :-This species differs from /liSt. U.S. Nat. Mus. Bull. 104, pp. all of the other Japanese species of this 1-H9, pis. 1-26. genus by the smaller test, slightly ~nflatcd -- (1927) Foraminifera of the Genus Ehr. middle pJ.rt and wavy chamber of th-:; eubcrgin7 and its Species: Proc. U.S. dorsal side. It may be a dwarfed form. Nr.t. MtiS., vol. 70, art. 16, pp. 1·8, pl. 1. -- (1927) Recent Foraminifera from off the We.,t Coast of Americ:~ : Bull. Scripps Literature Jnsl. Occ(mogr. C!niv. Calif. Tech. Ser. ASANO, K. (1938) Fo55il Foraminifera! As· vol. l, 110. 10. pp. 119-188, pis. 1-6. semblages from the Miura Reninsula; - and GRAY, H. B. (19·t6) A Foraminiferal Contr. ]nsf. Gcol. Pal. Tohoku lfniv. (in Fauna from the Pliocene of Timms Point, fap:mese), 110. 31, pp. 1-55, pl. 1-5. California: Cushmm1 Lab. Por(lm. Res., -- (1915) Illustrated Catalogue of Japanese Spec. Pub/. no. 19, pp. 1-46, pis. l-8. Tertiary Smaller Foraminifera, pt. 7 : Cas· E!.I.IPS, B. F. and A. R. MESSINA, (19!0) sidulinidae. Catalogue of Foraminifera. Am. Mus. BERMUDEZ, P. ]. (1949) Tertiary smaller Nat. Hist. SPec. Pub!. t•ol. 7. Foraminifera of the Dominican Republic; GALLOWAY, J.]. and IIRMINWAY, C. E. (1941) Cushman L'lb. Foram. Res. Spec. Pub/. no. The Terti'lry Foraminifera of Porto Rico 25, pp. 1-322, pl. 1-26, table l. text-figs. New York Acad. Sci. : Scientific Szm•ey 1-6. of Porto Rico m;d the Virgi11 Islands. vol. BRADY, H. B. (1884) Report on the Foram 3, pt. 4, pp. 275-491, pis. 1-36, trhle 1-4·. inifera Dreclgcd by H. M.S. CHAI.I.RNCEJ(, LERoY, L. W. (1941) Small Foraminifera from During the Years 1873-1876; Rep. Sci. the Late Tertiary of the Nederlands East Res. Voy. Ji. M.S. Challenger. Zool. vol. Indies. Quart. Colorado School Mines, vol. 9, text pp. 1-814, table 1-4, pis. 1-115. 36, no. 1, pp. 1-132; 13 pis., 5 text-figs., CUSHMAN, J. A. (1911) A Monograph of the 1 table. Foraminifera of the North Pacific Ocean -- (19•14) Miocene Foraminifera from Su Pt. 2 Textulariidae: Smithsonian Ins/. matra and Java, Netherlands East Indies. U.S. Ntol. Mus. Bull. 71, pp. 1-108, Quart. Colorado School Afims, vol. 39, no. text·figs. 1-156. 3, pp. 1-113; 15 pis .. 2 text-figs. -- (1919) Recent Foraminifera from off . ~ I' 94 Procccdhgs of the Palaeontological Society of Japan PUBLICATIONS RECEIVED Gaceta Geologica, Ano 1, Nos. 1. 2, 1947. Nouv. Arch. Mus. llist. Nat. Lyon, Fasc. 1, 2, Acta Zoologica, contents of vol. 1-28. 19~6-1949. Amer. Midi. Nat., Vol. 26. Nos. 1-3, 1941; Bull. Wagner Free Inst. Sci., Vol. 22, Nos. 2, Vol. 27, Nos 1, 2, 1942; Vol. 36, No. 1. 4, 1947. 19,t6: Vol. 37, Nos. 2, 3, 19-17; Vol. 38, Notulae Naturae, Acad. Nat. Sci. Philad., No. No. ), 1947. 202. 1948. Univ. Texas Publ., No. 4246, 1941; No. 4301, Ministcro Agricultura, Notas preliminare estu. 1943; No. 4329, 1943; No. 4621, 1946; No. des. Nos. 46-49, 1948. 4824, 1948; No. 4915, 19-19; No. 5015, Ministero Agricultura, Boh tim, Nos. 83, 123- 1950; No. 5019, 1950. 131, 1948. Proc. Calif. Acad. Sci., Ser. 4, Vol. 23, No. 41, Ministero Agricultura, Avulso, No. 77, 1949. 19-17; Vol. 24, Nos. 8-12, 1948; Vol. 25, Proc. Liverpool Geol. Soc., Vol. 20, Pts. ), 2, No;;. 15-18, 19-11-·1946; Vol. 26, Nos. 1-6, 1949. 10-H, 19-1-8. Rocznik Polskiego Towarzystwa Geologicznego, Occasion·JI Paper, Calif. Acad. Sci., No. 21, Vol. 18, 1949; Vol. 19, Nos. 1-4, 1950. 19t5 Dept. Nat. Prod. Mineral, Boletim, Nos. 30-33. Univ. C:11if. !'ubi., Bull. Geol. Sci., Vol. 25, A New Cretaceous Alga from Kansas, 19-18. Nos. 5-8. 1940 -19.U ; Vol. 26, No. 1, 1941 ; Cambri:m Correlation between China and Vol. 27, Nos. 2, 3, 1943-1944; Vol. 28, North America, 19.J.7. Nos. 1-8,' 1918. Bcitriige zur geoloJ.,tiscncn Kart dcr Schwe.iz. Mem. Univ. Calif.. Vol. 13, Nos. 1, 2, 1942. N. F., 93, 1948. Divis:io de Formento da Prodw;:ao Mineral, B~itriige zur Ken;tnis der llervetischen Trias Boletim, Nos. 81, 82, 1947. Ostlich des Klausenpass?s, 19<18. Divisio de Formento da Producao 1\-Iineral. Stratigraphic uncl Mikrofauna des Klipp;!nmalm, Avulso, No. 76, 1947. 19-!9. Laboratorio da Produt;ao Mineral, Boletim, Zur Geologie dt'S Todigruppe, 1948. Nos 19-29, 19•15 1948. Der Lias der G!arncr Alpen. 19-19. L:~boratorio da Proclut;7io Mineral, Avulso, Nos. Geologische Untersuchungen im Gd. Combin· 7. 8, 19-17-19,18. Gebiet zwis::hen Dranse de Bagnes und Divisao de Geologia e Mineralogia, Nos. 35, Dranse d'Entremont, 1949. 38:1, 49-45, 1946-19-18. Rerichts tiber die Exkursionen in der Qs. Divisao de Geologia e ro.lineralogia Ano 19-13- tschweiz. 1949. 19-15. Zur Stratigraphie unci Tektonik der Zone du Servico Geologit;o e Mineralogico do Brasil. Combin zwischen Mittelhorn und Tur· Boletim. Nos. 100, 121, 122, 19,16-1947. tmanntal (Wallis), 19:19. Mitteil. Ceol. lnst. Eldg. techn. Hochschule, A Revision of the Fauna of the North Welsh Ser. A. Nos. 21-44, 47-50. Conocoryphe viola Beds implying a Lower Mitteil. Geol. Inst. Eldg. techn. Hochschulc, Cambrian Age, )950. Scr. B, No. 7. New Paleozoic Einguloid Brachiopod from Mitteil. -Geol, Tnst. Eldg. techn. Hochschule, Florid:l, 1949. Ser. C, Nos. 17-19, 21-31, 38-42. A New C:Jnularid from the Silurian Sodus Univ. Texas, Bureau of Econ. Geol., Rep. Invest., Formation of New York, 1930. Nos. 3-6, 19•19. • Trans. Proc. Palaeont. Soc. jap:m N.S., No. 3, pp. 9fi-96, Sept. 1951. PROCEEDINGS OF THE PALAEONTOLOGICAL SOCIETY OF JAPAN rn*il~I:.!JW."ftm 45 rmf91J~_j IJ{ifn 261f. l}llfiH-:t (f/;ft1f 27 ~ )o ,Htroil#"ilfH::~M!itflll n 2 n 14 a 7L ftl:k~f!¥.$1tPitl!.'lt~~~n:..l.k-c ;7.0):[1n Go P,~HH-t" ($/t;ff 1915)o m~tlirX·.!ltn::M~ii.l!filii::J ~Q)/ml,o ~iRIP~*~IlJ.ilt.(1)11:.:mtriiitc-::>v·<: (!\:: ;{,~;) ...... iii Jl[ ~ The Marine Fauna from the Liutang D<)S fossiles vegetaux du b:~ssin houiller Series of the 1\iuhsint:ti Coal-field, de Nishitagawa, prefecture de Yama South Manchuria ...... Mitsuo NoDA gata, Japan-1 (ftf~) ... Toshimasa TANAI VHt.!lt(l):tliRJ6 Mi11o:lla (ftll\t) ...... Note a propos de quelques phntes fos ...... ifl§*ifl~ • llliilfl!<:."'~~ siles d:ms groupe de Ennichi, de Ia Some New Species of Yabcina and LePi· Coree-1 (1\:;lj,\l) ...... Toshimasa TANAI do/ina from the Kuma Group, with a Discovery of Erect Stamps of Xenoxylon Remark on their Stratigraphic Sig- latiPorosum in the Jurassic Tetori series in nificance ...... Kametoshi KAMMF.RA jap:m ...... Yuzuru OGURA. Teiichi New Peculiar Fusulinid Genus from th,! KoBAYASHI. Shiro MAEDA in collabora· Akiyoshi Limestone ( itwc) ...... tion with the second year class of the ...... Ryuzo TORIYAMA Geological Institute, University of Tokyo ::ft.fH~::!*i! Cyclammina K~lt·<: ...... Note on Cathaysiopteris Whifei (HAr.r.) ...... ti lfi7Jt. !It l(OIZ. from Taiyuan, Shansi and its rJ¥iltH1:.1i Astriclypeus tc~v·<: (~.J' Relation to Gigantopteris americana llf~JtQ)nctl) <~rm:) ...... ~ r J:J (fl;~) ... Enzo KoN'No & Kazuo As:\MA The Ontogeny of Metap!acenticcras On Mm•clmriotlzeca fukiencnsis n. sp. subtilislriatum (JIMBO) ...... from Fukien, China ( f\:Wi:) ...... Tatsuro MATSUMOTO ...... Enzo KoN'NO & I<.azuo ASAMA The Triassic Fauna of the IIeki Forma- EPistomina conc;n!ricana (P. & J.) .!: tion in the Province of Tamba Genus MississiPpina HOWE .!: (l)&j~ 1.,Kyoto Prefecture). Japan. ( ft~)...... IAJN:i'!iif¥: ...... Teiichi KonA YASH! & Two New Genera of Foraminifera from Koichiro ICHIK,\ WA Ihchijo Island ...... Takayasu Uc!llo Some Late Triasoic Fossils from the PoroePonides cribrorepandus ASANO & Nariw.1 District in the Province of UcHio, a New Name for Japanese Bitchu (Okayama Prefecture), Japan. Species of the So-called " EPonitks (it~) ...... Teiichi KoBAYASHI & rep:mdus (F. & M)" ...... Kiyoshi ASANO Koichiro lCJ!IKA WA & Takayasu Uc!llo :&r'l =.A,!tc~ttUft.~ Taeniopteris (I) 1 ;m Disc1nomalina, a 1\ew. Genus of Fora .f!li (Ill r:IW~ 96 Proceedings of the Palarontological SOciety of Japan A New Echinaraclmius from the Neogene Teiichi KOBA YASlll of Hokk;~ido· ( ii;;ID\q .. Tchiro HAY AS AI< A & The Ordovician Trilobite Faunas in Matsutaro SHIBATA Central China ...... Teiichi KoBAY AS III EI-*.iftla~~aTIHffl:fit~?v•-c ...... On the Occurrence of Proceratopyge ...... llllll~ifi·*~l¥~1l/. and Kao!ishmtia in the Chmmgia Zone A New PhricOdothyris from the Perm!- of South Manchuria ... Tiichi KOBAYASIII an of Jap1n (fti'lJi:) ... lchiro HAYASAKA & & Takeo ICHIKAWA 1\lasao MIMATO On thl! Subfamily Cyprideidae ...... aA>:.~r.r.::..-*a~.Ji':~~~=?v·-c ... *1-.f¥~~ ...... Tetsuro HAN AI On the Occurrence of Nodael/a (Pro llyas lsuchidai n. sp., from the Wak ductus) n. gen. from lhe Upper kanai Formation of Tesoio Provine<>, Devonian of Jap1n ...... Koichi T ACHJBANA Hoklnido ...... Rikizo lMAIZUMI Recent Ttirrilella of Japan ( ll::ili'i) ...... Tymoltts kamat!ai n. sp., from the ...... : ...... Tamio KoTAKA Numanouchi Form:~tion of the Job:m mlM ~ nn~:¥t .1: I) ~tcf.llm Ltt .u.1r.Tit-::: Coal-fidd ...... Rikizo lMAIZtJMI ?v•-t ...... :!: Ft- ~/lJj'.lJ~:I:•.tiHifAJllf»· G~f.:~.\M;; .n.tc On S:>me Species of C)'clina from Japan 7 ~ -1':: ~ 1- ,._ ~ ~1'1-tm ~~ "? ~. -c ...... and· Korea ...... Yasuhiko KAMADA ...... :*$:N:'}t. i\:.~l'!t-= Molluscan Fos3ils of the Miyai Group, :Jr!iliE= • !&Jill~ · ~tt JJl. • fi.W.miE in Kii, Jap:m ...... Atsuyuki 1vii7.UNO Jl! :ft'~·~Q)ft& Jl! Ji\ ft~ 3:1. W$ 1i:lr (/) ~ JJ 7 ~ 3fi tJf ;It-M.il Desmostylella l~?v•<: ...... , ...... :* H!l A 1t tx~tll~1t;a ...... iiJJIIi'fr$ tll/t,(tt.JIIi!i:m(/) .. wk~~ .. UJR.J;ft ...... On Mmtsuyia and the Tsinanidae ...... ~J· jllj ru! = ;------~~- --~------ Announcement Bibliography of Japanese Palaeontology and Related Sciences 1941-1950 including papers published by Japanese authors as well as those by others which concern Japan and its surroundings Compiled by Ryuji Endo, D. Sc. Professor of Geology and Palaeontology Saitama University, Urawa, Japan just published as a non-periodical publication of the Society. Foreign subscribers free; foreign non-subscribers US $1.50 Domestic subscribers Yen 300; domestic non-subscribers Yen 400 (Mailing charges inclusive in all cases) --~ Orders to be addressed to , the Palaeontological Society of Japan \ Geological Institute, Faculty of Science, University of Tokyo, Japan. 1 9 5 1 ~ 9 1J 2S II f:IJ l1liJ 1 9 5 1 1f. 9 H 30 II ~ fj iE'if ctto~l-oYJi*~t::.JJB) 11'~~ 200 rn1 f;M!I~~H!tfi:tr ~!hr*~r'll.!i-~~t~.tll!.'l'ff}t~xtrirJ a*~S~!fo/J~w ,1, # tt - (.1)~ ~ 1=1 wm: 1j( 8 4 7 8 0 11):) !!P liliJ ~ ~L -,)( $ tlli ~'f z 11n 1 T rl 1 ~~ "' 7 ;v 1_. iii± 'M rn :TG Ht~iil $ ~b!J:l'ifC.O)Jf1JjrJTJi-" rjl ~b T ~ ~' .W:lA:flil=fit:Jf!Hf.:~~I'IJI~fW'If 1· fi=l 6 * 'A !¥ lf!t J;l'i 1Jr iff. ijljl If! (25) 34031fi .. ~~1=1~U 1091401fi: · ,,j - I. [Jl.;fAI:t fl*i'i'HiJlj!f/'Xt;t I'P~11l!.J'{,IJ!ft"->llf'ra14iii£fU td.t1JtJY,tcav· <:altitit ( ft\l\h jjg~ 7.>) 1.- k iiftc, *im~.i'UiiillH "1" .o o 2. 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