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Palaeontological Society of Japan Transactions and Proceedings of the Palaeontological Society of Japan New Series No. 97 Palaeon tolog ical Society of Japan April 30, 1975 Editor Takashi HAMADA Associate Editor Ikuwo OBATA Officers for 1975 - 1976 Honorary President: Teiichi KOBAYASHI President: Tatsuro MATSUMOTO Councillors (*Executive): *Kazuo ASAMA, Kiyoshi ASANO, *Kiyotaka CHINZEI, *Takashi HAMADA, *Tetsuro HANAI, *1 taru HAY AMI, Tadao KAMEl, *Kametoshi KANMERA, *Tamio KOTAKA, *Tatsuro MATSUMOTO, Tokio SHIKAMA, Tsugio SHUTO, *Yokichi TAKAYANAGI, Toshimasa TANAI, *Hiroshi UJIIE Executive Committee: General Affairs: Tetsuro HANAI, Itaru HAYAMI, Kiyotaka CHINZEI, Saburo KANNO, Y asuhide IWASAKI Membership: Kazuo ASAMA, Kazuhiko UEMURA Finance: Hiroshi UJIIE Planning: Tamio KOTAKA, Hiroshi NODA Publications Transactions: Takashi HAMADA, Ikuwo OBATA Special Papers ~ Kametoshi KANMERA, Ienori FUJIY AMA, Tomowo OZAWA "Fossils": Yokichi TAKAYANAGI, Toshiaki TAKAYAMA Fossil on the cover is the six leaves in a whorl of Trizygia oblongifolia (GERM. & KAULF.) ASAMA from the Maiya formation (Parafusulina zone), Maiya, N. E. Japan. All communications relating to this journal should be addressed to the PALAEONTOLOGICAL SOCIETY OF JAPAN c/o Business Center for Academic Societies, Japan Yayoi 2-4-16, Bunkyo-ku, Tokyo 113, Japan Sole agent: University of Tokyo Press, Hongo, Tokyo Trans. Proc. Palaeont. Soc. Japan, N.S., No. 97, pp. 1-6, April 30, 1975 AMMONITOLOGY IN JAPAN-A HISTORICAL REVIEW (Presidential address, Palaeontological Society of Japan, 1975) TATSURO MATSUMOTO Department of Geology, Kyushu University, Fukuoka 812 B*K~~~7~~~1~~~~~:h~OOK~~~7~~~1~~~~~~, ~~~. ~1l~4i!.J~~f6~.!::, ~~iHcht-: "" -C ~ B*~~~~ ~5tt.51!Wvc~ ? ffltJ:* ~ ~ '0 ~ J: yC 100 if.~~5I:: ~*~Ij-t ~ .!::, iX~ 4 W:~lc:B-~ ~ .: .!:: tJ:-(- ~ ~o ~~1:M (1873-1915) mln;*~ (1l:!i1!:EfJ~/:"77); ~2Wl (1920-1950) L.F. SPATH fl1i:± I? (l)~l1v'~~T, Jl1I~ (1920-1935) ~:N&:WF~* (m7.Kfl1i:±yC~{tl!.) ~t.5!IVJ, ~~ (1936- 1950) ;t< A ~ m7.K (l&~~7,t.); !it 3 jtJl (1951 ]jJl$) 1iif~tt.51fjl;lEE~ (~t Icn'-~ Ht::fi~1f IR:B- . xtJt) (Treatise f±l1:RJl1I1~~OO~EfJ:x:drO; !it 4 Wl (!it 3 Wl.!::~lli: V::>"?¥t*",) /~ v::t /~ 1 ::t p ~ :h /1-- t.elm t t.5f6ft 1e~~r,~t6. }t~~%:1JvC~;Wf 1...-, OO~EfJ~J1;;HJI.!ff.!::Jtl!Bj(~¥o~EfJ~~'~~ t ",,-C, 4-~~' ""yC? ~JE~HltJ' IJ t-:~'o tl*~a~ The history of' researches on ammo­ under a strong influence of L. F. SPATH'S nites in our country may be divided in works. It is subdivisible into two sub­ four major stages, depending much on stages. The earlier half, for 1920-1935, the world development of palaeontology is characterized by SHIMIZU'S activity and also on the activities by Japanese (,26a-b, 27a-b, 30a-d, 31a-c, 32, 34, 35a-b), palaeontologists for generations. besides works by Y ABE and SHIMIZU (,21, The first stage, until 1915, is charac­ 24, 25a-b, 26a-b, 27), YEHARA (,25, 26, 28), terized by monographic works. The am­ SHIMIZU and JIMBO (,33), TOKUNAGA and monites obtained by pioneers' geological SHIMIZU (,26), KAWADA (,29) NAGAO (,31a­ reconnaissance in various parts of Japan b, 32a-b) and KOBAYASHI ('35) for the des­ were described by MOJSISOVICS (1889), criptions of Mesozoic ammonites. These YOKOYAMA (1890, 1904a, b), JIMBO (1894), were within the framework of the sys­ Y ABE (1901-2, 1903-4, 1909, 10, 14, 15) tematics proposed by SPATH, who seemed and DIENER (1915). The results were to have classified the Ammonoidea on his useful for the age determination of Meso­ philosophical basis of iterative evolution, zoic formations. Two interesting hetero­ and other authorities in Europe and morph genera, Pravitoceras and Nippo­ America. nites, were discovered by Y ABE (1901, 4) The biostratigraphic results in this in this stage. For some reasons (probably stage were summarized by Y ABE and affected by W orId War I), there is a SHIMIZU ('33) for the Triassic, MABUTI blank of activity for 1916-1920, but an ('33) for the Jurassic and Y ABE (,27) and issue of a revised textbook of palaeonto­ SHIMIZU (,31, 35) for the Cretaceous. logy (in Japanese) by YOKOYAMA in 1920. Only a species of Permian ammonite was The second stage, from 1920 to 1950 is reported in this substage (MABUTI, '35). 1 2 Tatsuro MATSUMOTO The later half, 1935-1950, is represented MATSUMOTO et a1. (,52, 66, 68, 69), NAKAI by a number of shorter papers, for in­ and HADA (,66), NAKAI and MATSUMOTO stance HAYASAKA (,40) on two Permian (,68), NODA (,72), SATO (,61) and T AKA­ species, Y ABE (,49) on an uncoiled (?) HASHI (,73) on the Lower Cretaceous ones, Triassic ammonite, KOBAYASHI (,47), Ko­ HAYASAKA and FUKADA (,51), WRIGHT BAYASHI and FUKADA ('47a-c) and FUKA­ and MATSUMOTO (,54), MATSUMOTO ('53, DA ('50) for some Jurassic ones, and 54a-b, 55b-c, 56, 57, 59, 60, 63, 65a-b, 67, MATSUMOTO'S (1936, 38a-c, 42a-d, 47) 69, 70a-b, 71, 73b, 75) MATSUMOTO et al. preliminary results of studies on Creta­ (,53, 54, 55, 56, 57, 63a-b, 64, 66, 67a-b, ceous ammonites. The apparently less 69, 72, 75) OBATA (,65), SAITO (,58-59,61- active situation was complementary with 62), HASHIMOTO ('73), HIRANO ('75) and very active works by KOBAYASHI on TANABE ('75) on the Upper Cretaceous Lower Palaeozoic nautiloid cephalopods ones. Some of these works have contri­ from China and Korea and on non-marine buted to improve considerably the taxo­ fossils from the Mesozoic of East Asia. nomic framework of certain families, e. g. ' The field works, as exemplified by MA TSU­ Desmoceratidae, Pachydiscidae, Kossmati­ MOTO ('42-43) and MATSUMOTO and ONO ceratidae, Acanthoceratidae, Collignon i­ ('47), however, constructed foundations ceratidae, Nostoceratidae and Otocerati­ for further advances in the next stage. dae. The research works in the third stage, The biostratigraphic results are also since 1951, have been much stimulated significant in establishing a reference by international exchange of knowledge, scale for the circum-Pacific areas and aided by publications of such compre­ also in attempting zonal correlation with hensive works as the Treatise, the Osnovy other standard or reference scales of the etc., and by airway transportation. A world, although there are further pro­ great number of papers have been pub­ blems to be settled. lished for the up-to-date descriptions of In the third stage the activities of ammonites from Japan :-HAYASAKA (,54, Japanese palaeontologists are extended 63), IGO (,64), Y ANAGISA WA ('67), NISHIDA overseas to the ammonite faunas and ('71) and BANDO ('75) on some Carboni­ type-specimens from certain areas as seen ferous and Permian ones, which are still in the results of NAKAZAWA and BANDO awaiting further descriptions; NAKA­ (,68), KAPOOR and BANDO (,74), BANDO ZA WA and SHIMIZU (,55), NAKAZA w A (,57, (,75), ISHIBASHI (,75), SATO (,61a-b, 63, 58a-b, 64, 71) (S. W. Japan), SAKAGAMI 72, 75), KOMALARJUN and SA TO (,64), (,55), KUMMEL and SAKAGAMI ('60) (Iwai), MATSUMOTO (,55, 59b, 59-60a-c, 60, 66a-b, ONUKI and BANDO (,59a-b), BANDO ('64a-. 73a), MATSUMOTO et al. (,58, 65, 66, 67, c, 66, 67a-b, 68a-b, 70,71,73), BANDO et a1. 69), and OBA T A et al. (,75). They have (,70, 74) (Kitakami etc.), and ISHIBASHI contributed to the. knowledge of inter­ (,70, 72, 73, 75) (Okinawa and Tanoura) on national correlation and world palaeo­ the Triassic ammonites; SATO (,54a-b, 55, biogeography. 56, 57, 58, 59, 61c-d, 62a-c, 72,74), SATO The fourth stage has started already, and KANIE (,63), SUZUKI and SA TO (,72), overlapping the third, and will continue MATSUMOTO (,56), MATSUMOTO and HIRA­ further on. By this I would mean the T A (,70), TAKAHASHI (,69, 73) and HIRANO gradually increased importance laid on (,71, 73a-b) on the Jurassic ones; OBATA palaeobiological studies. SCHINDEWOLF'S ('67a-b, 69, 73, 75), OBATA et al. (,75), (1968) comments on ammonitology may Ammonitology in Japan 3 mark a stimulating milestone for this as compared with commonly known trend. larger shells of the Puzosiinae have been To understand the lively ammonoids it recently reported by MATSUMOTO et al. is important to study the shell structure, ('72). JORDAN and I not'ice examples of its ontogenetic development, its functional injured ammo"nites from Japan. < This kind morphology, its relation to the soft part, of study (not yet published) would give as well as the soft body itself. The information on whereabouts of anatomic­ analysis from population to population on ally important portion of the soft body the stratigraphically well sorted material, and also on the mode of life. A palaeo­ combined with palaeoecology and palaeo· biochemical study, attempted by FUJI­ biogeography, would be essential to know WARA (,61) on an ammonite, awaits ad­ the true state of evolution in the Ammo­ vances in proper way. noidea. The results would give founda­ On the basis of the favourable material tions for more natural classification and of fossil population in a zone of the Iku­ more precise zonation or correlation, as shumbetsu sequence OBATA ('65) studied well. the ontogeny and allometry of Reesidites Along these lines the works done in minimus and its relation to Subpriono­ our country are still in the infancy, al­ cyclus normalis from the underlying zone though there were some. SHIMIZU (29, 34) (Turonian). This is going to be improved once examined through microsection the by REYMENT ('75) by more precise mathe­ siphuncle and other shell characters in matical treatment. TANABE ('75) attempts early ontogeny on some well preserved to clarify the chronological change of ammonites from Hokkaido and Sakhalin. shell characters and its functional mean­ This was an adventurous attempt but ing in Turonian species of Otoscaphites has been little developed further, until and ScaPhites from Hokkaido.
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