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Bivalve fossils from the type Monobegawa Group (Part VI)

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Bivalve fossilsレfrom the type MonobegawaしGroup∇(班χΓtvl)

  I Masayuki Tashiro" and∧Takeshi KoZAI 2)

1)Department o∫Geology, Faculりof Scierice,しKochi Uniuersiり

2)Asahi Gakuen, South. San Pedro St., Los Angeles√us.j

Abstract      T      犬 コ∧   ..・・..・. .・...・  .・      ・.・.

 In this part VI√the:bivalve faunas of the:Lower Cretaceous strataし distributed at the Monobe area of Kochi and adjecent areas mainly in Shikoku, and their bios七ratigraphy are treated concludingly based on the犬paleontological description already pubulished as this series partsニI to V.         犬  十  .・.・.・  ...・. ・.・ .・  ・..・・   ..・・・.  The Lower Cretaceous System of the Monobe area is divided into theヶMonobegawa∧卵d Nankai Groups. The bivalve faunas d曲e Nankai Group are characterized by the genera and species of the Tethian-type bivalves. Although the faun飴・ of the Monobegawa Group are co血posed of the Tethian-type bivalve genera, the lower二latitude-type of the genera were rare in the occurrence from the Monobegawa∇Group. The sedimenta! basin of the Monobegawa Group was probably located higer latitude▽than十thtしof the Nankai Group. It seems that a greate movement of a lateral fault貨as undubtedly present betwee:n the

Monobegawa and Nankai basins.   \    \ ■■■ ■    ‥‥‥i・・ ..      \ 1

●・         ●    一一       l・ ・.         ・  ●  ●

Kりwards- Lower Cretaceous, Bivales, Monobegawa Group, Nankai Group     \

Concluding remarks

of series.″type∧Monobegawa

Group"

Lower

Cretaceous Bivalve Fauna

and its geological setting

   The bivalve fossils,」41 species and 70 genera, from

the十Lower Cretaceous System

of

the Monobe〉area in Kochi Prefecture, had been described in this series,Bivalve fossilsレfrom

仙e type Monobegawa

Group, Parts. I-V (1984-1991).    犬     ニ犬 ダ   \

  In the part 1,the Lower

Cretaceous System

of theコMonobe

area in Shikoku was divided

into the Northern and Southern Belts in the same

Group, so-called the 班四〇begawa

Group

(Tashiro and Kozai, 1984).

However,

the system

of the southern Belt was esterblished as

a distinct Group, newly named the NankaiしGroupにclearly discriminated犬from the

Mononegawa

Group

by

one of us Tashiro

(1985)レjudjingイromしthe\

lithological and

mollusc皿faunal

distinction between two

groups.

The。faunaトdistinction is presented 垣

the listes o卜the discribed・species in this series showingうn・ Text-figs. l and ・2. The

lithological distinction between

the Monobegawa

and Nankai

Groups

had been reported in

detail by Tashiro (1985, 1986, 1993, and 1994).   丿  ◇  十   犬  j

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Cretaceo如上Torinosu二G如up (Jurassic T Sa岫ozanレ(Sambouzan) Terrain, noれ-comfc that the Sanbouzan∧Terrainト(Soutern Chic composedし9卜the Sotoizumiし(Upper Cr尚 NankaトGr卵p)トNankai,……Tori面・su=よ臨:d cQm如面doof∧thqしNaradanトandトSanbouzaむレ五

Upper Jurassic Accretional△Pris血‥‥‥‥‥‥‥‥y

……T。he

Monobegawa

G帥up

is generaly

Belt (MiddleしChichibねBelt)レ血d NorthenトChichi uncomformably boundared from theトp坤引re砲巾

十 Thリ土NaれkφGれoup isニbounded二會om∧th[ノ] locatedトbetween]the Sanpouzan andレthe Northeri tectonic complex zone of Kuroseだawa Tectonic I terrains.・ ....・   ・犬上         犬 … ……11

ト  ………万………The bivalve faunas∧from・=……1

 トThe bivalve species of the Mo叩畑gawa・下口 102.……Theyぱre composed o卜曲eしspecies◇6仁曲

Prefectureト(Tashiro, 1994)、   ∧  …………\………Species∧:……… ・Nucitl・opsis(Palaeoれuむula)ishidoeas=φ Nuculopsis(Palaeonucula) tosaensis 皿(P.) sp△才六 ………十 Portlandia(Portlandiぶ?)sanckuensis MesosaccelJa・むfiosRieれsis…………万…… 肘.insiems①  1………= =……… トCosmetodonmo良心beれsis尚  ∧ >八 入C.十nipponicusレ(?)… ……j.・・・・.    ・.レ ……… Naaonauis vofeovcふ陽(μ………:…… J……: Np.m.ndcin toso,ensis‥‥‥‥‥: ‥‥‥‥‥, λだa(Eonauicula)くshinanoensiト\ :A. (E.)∧minima‥‥‥‥‥‥ ‥‥= コjヶノ  Barbatia(s.s.)ha%ia7TLuノ 十六………:‥ ・召.(且)feockiensis………万. ・・   ・ ノ ・・  召.(R)\hibiRarensis\ ……… Gりcymeris\(亙面=dia) m=atsumo如ズ:………  MonobfiaΓCO, cucullo・河船ニし=レ‥‥‥‥‥‥‥‥ .?.L-ycettia・feochie几sisコ・..・・.・.・・ .・・..・. tsT………distributed:on:the φ面面∧G坤面∧lt〉面己組心 ≠叫如紅〉J面面上血ay be 〕:1yトon the 十Group十is :th・ゾMiddleトto 咀☆Tectonic Japanしand =:lateralソfault に1985)レThe ヒ)6七h〉sideward プ心なしcountable 所収〉巨面pure

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Bivalve fossils from the type Monobegawa Groリp(Part VI) (Tashiro・KOZAl) 57

Brachidontes PAiriforrRis

Modiolus aif. subsimplex

Amygdalum

ishidoense

Pinna,(Pinna)可、rohinaldina

Pterinelia Rhinoharai.

Bakevellia(Neobafeei)e!J.in.)pseudorostlata

GeruiUia forbesiana

Gervぶaria fiaradae

G、fiofeutoi

Isog几oraon cKoshiensis

lnoeramus anボicus

7.(Birostrinn,)suhsiulc.atii.R

Entoliura tosn.ftnsff

Parvamiissium

kimwrai

P、tosaense

Np.ith.p.n,(s.s.)ataua.

N。((s.s.)ficalhoi(?)

N. (s.s.)hanouTRnRiR

CKlamys

hayamii

C. fedujaiii

Mimachlaraンs(Nippononectes)d昭anus

Plicatula feochiensis

P、feiiensis

P、monobensis

Placunopsis(?)fiibiharensis

Limatula nagaoi

Rastellum(Arctosびeα)carinatum

CΓassostreasp・

Pterotバgonia (s.s.)pocilliformis

P.(?Scabrotrieonia)pseudomoriana

Nipponitrieonia safeanxotoensis

N.hikuchiana

Myrteai?)tnonobeana

Astarte (s.s.)subsenecta

左(s.s.)costata(=左(Nicanielln.)costata)

λ.(TrautscKoは伍)tosaensis

Yabea sfiinanoensis

Y.densecre几ulata

Anthon:ya raonobeりsis

EΓφhylaminima(?)

E. cf.minima

E. monoheane

Opis(Trieonopis) sp.

Ptychomya

hayamii

Pach.7tfiaerusfeagaharensis

Leptoso脳几sp.

”Granocardium.” iRhirfopnsfi

”G." breuis

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”G……"koch,i.eTt.sis………>……… ∧Linearia(lredalestai)monobeaaa……ニ ∇Scittila j・apoでuca∧   …………万  ………= Tancredia十(?)・レ印L‥‥‥‥‥‥ ‥‥‥1‥‥‥‥‥ ‥‥ ‥Isocyprina fiibiねarens.紬▽ ‥‥‥ ‥‥‥:………  Tosacタprina cr‘enidatμ‥‥‥ ‥‥‥ +1  ト  ・Costocy・renarad・latostriataレ犬〉ト .・ ....:  .C.・otsij,fefl.i o・tsukai.・  : ‥‥‥‥‥‥‥‥‥‥‥‥ \C.mino.戸 十       >    犬< で。ohnishii・ コ <  ‥ \       ト・. C∧ct. peifeartgensis.・.・.・ ・.・ ト‥ \  fsoflfimeUa skiroicngis ∧     几 白 Hacyarriina謙aumo皿れi\………:‥‥‥‥‥‥‥ コ亙レmatsiifeaisuai\ ……… ………  H=∠aolida   ………… ……11    十  Hレminor尚  :   ▽……=     十六  亙・・(?).・tarruirca  ………=……..\………ノ. .・.Tetoria sanchuensis‥‥‥‥‥‥\.=‥‥‥:<.ノ十  Goshorcda minor∧\‥‥‥‥‥:………=‥‥‥‥  八面似パキ……(.Vecto.油・is)japo・nica………  Pseadaphrodih体己lonsata… … …………1 ……… PseudopisiGtium Hibiharensis\………… レP八nflata ……… … …………=……  …… … し ………  Pulsidisレtashiroi……… ニ  く………  P,rostratus‥‥‥‥‥‥‥‥ ‥‥‥‥‥‥‥‥ ト八十aff.noeatoenstsト\………:‥‥‥‥‥:………\:=……… 尚Caestcorbula["] Parmicorbula)威服amai 十(コレ(??.)monobensis…………つ∧…………\………  C. (s上卜4皿れqua\………j   六 大Paれopea (,Mタopsis)ノnagaoi…………j……… 八八(M.)elongattt………=……=……= =Pねoladomva sp‥‥‥‥レ………<………i … ……  Goniomya:ha^amii…………万………十\……  Mタoph-olas aK. carinatus\………j……]……j 二Plectomya aritagaiuana………ダ\  Peripio叫a (,s.L)∧moれobensis……∧………

Textごfig. 1:▽Bivalveユfossilsfrom the

conditional species・=にmainly Ha'vamin.a,ダTetoria√Cost

The Yunoki∧Forma

co姐姐o面1トbivalves,

心皿

rice of the………brackish-water 肺∧日如面皿卜Fauna.:ノ The

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Bivalve fossils from the type Monobegawa Gr㈲p (Part VI) (Tashiho ・fKozAi) 59

species are, how昨er, distinguished from the species of Ryouseki Fauna, except for several species, suchas Tetoria sa?icfttiensis, Crassostreasp.and Pulsidもsしspp.. The Species of Hayamina, costocvrena fromthe Yunoki Fauna are probably related systematically to the

species from the Ryoseki FaunaよThe spescies of Isodと:unera is not found froピ the Yunoki Fauna.       ト       い   し

 \ The basal part of the Hibihara Formation is also characterized by the occurrence of the brackish conditional bivalves. The species o!Hcりamina,Costocvrenaand Crassostrea are found. The species of them d汀fer from those from the faunas of the Ryoseki and Yunoki Formations, like as the same case between the Ryoseki and Yunoki Faunas.

犬\

B: Shallow marine conditional bivalves     ニ 犬 :      犬       ..

  The lower-half parレof the Monobe Formation and theスower part of the Hibihara Formation are ・characterized by the occurrence of manyニspecies犬of bivalves considerable living on the condition ・of the shallow marine sむdiments. About one thirds numbers of

species are identical between the Mondbe and Hibihara Faunas. It is very interesting that the species belonging to the genera,Goshoraia, Gりc;yrrieris, Aatfipn'va andMonobearca, began to appear abundantly in the Hibihara Fauna, considerable to Late Aptian in ageレ

C: Pure marine conditional bivalves      ∧  = l.  ..       ■■ ■■   ■ ■・■   Inoceramusspp。Paruamussium spp・,ΛBafeeuellia(/veobafeeoellia)しspp.↓andNuculids species are usually found from the dark-gray mudstone of the Upper Part of the Hibihara Formation. On the other hand, Entolium. monobensis.トParuamussiurahimuraiandMyrtea monobeanaareknown frφm the upper Part of thむ Monobe Formation, occurring together

with several ammonites and nano二plancton fossils suggestedトthe Upper Albian∧stage (Tashiro et a1. 1980).      レ      ●・

       The bivalve faunas frO昨the Nankai Group        ト

 The Lower half of the Nankai Group (Birafu-Funadani For血社tions) is alternated with

the Brackish-water or very shallow marine conditional sediments, and the旅心10w to pure

marineむonditional sediments. So-called the Torinosu-limestones are usually inserted at the

lower member of the part. This part is considerablり with Barranginian to Barremian.

Many brackish-water bivalves occurred from this part, 誰re characterized by the species

bりlonging to 仏e genera, Eomiodon, Isodomera,Isocンpliatt, Aguilerella E皿d Crenotrapezium.

The species of月卿amina andTetoria are very rare in the occurrence. The species of

Costoc^lrenais unknown from 塙is part一丁Υhe species of the shallow mariれe or pure marine

conditions are nearly identical as 曲e same species with the species from the Upper Jurassic

to Lowest Cretaceous Torinosu Groupに \   <   .・.・・・  .・  ・..・:         ト

 The upper half part of the Nankai Group (Igenoki-Ikuna Formations) is characterized

by the shallow marine conditional bivalves∧The gelogical ages are the sameトwith the

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Species  NanoMtms ■yDteoyam.ai *?………<ト Nemo doれ Spし, \ \‥‥‥‥‥‥ ノん4ニ(Eonauicula)<p叫rataニ<……  Cucullaea(s.s.?)レobliquata‥‥‥‥‥ ‥ 紛臨臨dorttes iffenofeiensis………I , Modibl臨丿alcata ∧j…………j。 ・;  Piれna(s.sと) of.rohinaldina‥/…… Gp'riiillaria hardddeダレ 十………  Neitkea∧(示か)S:yrtaca amaixoi………  Plica.tii.la]takahashii…… ………=  Arn,ph,icionte(s.sナsubftariotoidea・‥ Pterotrigoixia(s.s.) yokoyamai…… アノ.尚・j.りSc・abr.oな Mes・omiltfia iaponica ミ……… χ白ねoGardita amanoi ノ∧……… Astarte (s.s.)〉Rp.mtc.ciRtata\\………= λ……(.が・icaniella)mafeibaensis六十 Å聯=々(liny a igeれofeiensis………j =  Pach,"ythaeroussp‥‥ ‥‥‥ 犬…… …… Leptgolen am.abiliり……I  プ ………… Protocardia(s.s.)amanoト \ニ  p. (Gl・obocardium)=rm.mn『十\……… ノ' Granocardimuトcorpulenも已m‥‥‥  イ.Gブソ?一multinostata‥‥‥‥ ‥‥‥:゛万  士meariaし(Paiaeomoera)∇れdれ'kaiana  Scittila dericatostriata   \…………  Isocyp八几(1・aliquantula.・・   ・.・・・・  L japontca・    ‥‥‥‥‥‥ ‥‥∧  7.(?)〉isertofeiensis・.・.・・ .・ .・ .=……… Eomiodon sdfeaioaれItsニ   ……  E,matsiunotoi  ………  Crenotrapeziurri feitaねa7れiensis\∧ト  Isodomella matsum(元(元………1I ………□  Caestocorbula\(s士)\m.orir…………  Paaopeaト(M-yopsis)……aff. plic・叫( ・・ Goniom%ia・aff.h.a'vami∩∧∧レ上\.: ・・ ∧Plectom-yぐ1.concentrica‥‥‥‥‥=・.・・ . =.・. 1

Teμ岨gン2仁Bivalve 紬卵i卜:from the

generaニfr・9m ・地沁一皿rt are identical☆w録h

Warid-wise spりcies√辿dr:・as=Geruillaria, :Doganaro ………万 .・●し the species pレ……=:φりcurred hardly

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61

ever from the Monobegawa Group. Cu£vllaea, Scabrotrigonia, Protocardia etc., arek!lown from the Upper half part, and Eomiodoa, Crenotrapezumi,Aeuilerella, Pacfiitlaaai琲d the

Torinosu-type bivalve genera are from 仙e lower halfトpart.      /  \    ▽ し

      Correlation of the Lower Cretaceous strata in Shikoku

   The correlation of The Lower Cretaceous strata distributed sporadically at various areas in the Chichibu Terrain of the Outer Tectonical Zone of Southwest Japan in Shikoku, is achived on Teχt-figs.3 and 4.      ニ .・・ ・.・. ・.   ・・   ・・.・・.・

EHIME

rUSUHARA

SAKAWA

MONOBE

HANOURA

  −   _ 』   −   1   ト ー   a 。   曙 - ` 掌 ミ   −   −   l g   ㎝     1   ト ー   -  心   Z

註山川ト

 TAKASHIMA

F.

_LLし│Jjユ1   TANONO F, -ヅー」且  −    Q  ヨ回,  加一心9  −    ㎝  ・-  T  加一一    −  〃=皿皿  KUROSAKI F.

_LI」」」1ユ1

 HIBIHARAF.

。iLLLl」」」_   FUJIKAWA F.

NIGYU F.

HOJI F.

OHTAOO F. YUNOKI F, HANOURA F.

MONOBE

F.

KA剛NOGOU F.

RYOSEKI

F.

TATSUKAWA F.

Text-fig. a: Corralation =of the Monobegawa Group in the Monobegawa area with the Lower 十     Cretaceous strata located at various areas on the Kurosegaw:a Tectonic Belt and

        the Chichibu Terrain in Shikoku.     犬   ‥ ‥‥‥ :・   1 ...   ■■■■ ■

   TheLower

Cretaceous shallow marine conditional bivalve fauna, su:chaりthe Doganaro

Formation

of the Shimanto Terrainレdistributed

at〉the southern area of Sambouzan

Terrain, is undoubtedly

correlated with the Nankai

Group, judging from

the composition of

nearly the same

bivalve fauna (see Text-fig. 2).十   :

Referrence cited for this series, parts ・1−6

Afshar, F,,:Taxonomic revision of the superspecific group Cretaceous and Cenozoic tellinidae.   GeoLSoc.λmeパca, Mem. 119, 215 p., (1969)     \   十         っ

Alencaster, C. D.: Pelecypods y gastropods del Cretacico inferior de la region de San Juan   Reyazapotitlan, Estadode Pueb\a. Paleont.Mexinann.,2, 1-47, pis. 1-7 (1956)

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ta dn0119    I VM N VN SAKAWA…………: BUNJO:こF, -T-T-iこにJ ̄1に↓nj¬. ∧KAtSEKlYAMA F 1jIJ ﹁IJ II一 白 1

YAMANOKAMI

F

TORINOSU・..6レ

一 一 ・81≫ 1 μ a . W -HHV8 S ︸一U3B Ama・no,トM. Upper:Cretaceous∴molluscanトf『  コ聊L√田』/,十2,(2), 51-67√pis.卜②て1957) andニFurus尽加乱レW・.;………On the……£)・戸・eisse・nsia・=・.1・

 \Cj即位ceous bed in Shishi-ji万ma,グKyushu√

Brown, T丿An Atlas of犬the fossil ooncholo・ぽy

‥‥‥‥SO几・neschein・and∇Co二しLondon (1889)………

C肋ey, R.:Some genera:and subgenera,皿直n:

犬 戸加C↓………Malacol. Soc.:Lo几don, 29,121¬176レ

ーニー---〉TheトNeomiodりntidae√aトnew family of

 222√pLよ(1955)上〉 \‥‥‥‥‥‥ 万…………

Chavan, A.: Les Lamellibranches heterodon

…………Astartidae√Cyp:rinid臨レIsocardiidaeレJour

--→--し:Superfamily ・Carditacea.………j.π・Treaties・.・.万ぐ

一 一 一 一 一 一

Superfam・11y ・Crassatellacea.   Ib.旧.、1.

Conrad,トT√プA.:Description oしnew generで4,

shells.・A cadトNM・. Sci.,こPhilade唐心

-一一=一トDescription of new fos斗i上司と)11問c芦・p   96-103 (1869)几・..・  ..・・ .・ ・・..   .・・・

Cox, L∠R.:Notes onトJurassic: Lamellibr

Ku血amoto Jour

〉行6血上the 緬 t : こレ B 心 : a i n a n d ト I 袖 姐 姐 = ム = T j I : X C V I I I 千 卜 I l i … … S w a n 叩 √ 司 万 万 町 回 如 加 組 … … h e t e r φ く 分 ☆ … … … … ∧ ] レ = J フ … … I ツ … … ∧ レ … … … : ∧ 〉 j … … … レ レ … … … … i … … j ∧ 1 … … ト … … \ ∧ ト : … … … … ゜ j

トj6)。・208-會om the Jurassic of Indo-African Province.:/

15-16 (1937)

1 ,

二面bgenus 十工卵√pis.

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Bivalve fossilsfrom the type Monobegawa

Group (Par・t VI) (Tashiro ・KozAi)

63

Lower Cretaceous Mollusca from Point-a-Pierre, Trinidad. Jour.Paleont.18, (5),

64-67 (1954)  犬  ∧  ・・  −  ご   コ       ・一  犬 犬

Dhondt, AンV.:Systematic revision of the subfamily Neitheinae∧(PectinidaeにBivalvia,

 ニMoUusca) of the European Cretaceous, Mem. InstしRoy. Sci.Nat. Belgique,(176),1ニ101,

 pis. 1-5 (1973)       ●●●● ● ●● ●         レ

Douville, H.:Classification des lamellibrances. 几Soc, GeoL France,Bull, 12, (4), 419 − 467   (1913) ‥      

●●●●●●● ・●● ●    ●●●●   I Drischiza, V. V∠and Kudrjavtseva, M. P.:Lower Cretaceous fauna from north Caucasus and  Crimea. Vniigas, Moscoiu, 131p・, 29 pis. (19りO)..・ .・.・・.       ・・.   .・.・ Finlay, H, J. and Marwick, J.: The Wanga!oan and associated molluscan faunas 6f

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  0, pis. 1-18 (1937)      二      十 l

Fischer, P. H.:Manuel de conchyliologie et d6 pa:leontologieトconchyliogique. x?iv + 1369:p.√2   pls・, F. Savy (.Paパs) (1887 in 1880-1902) \      上 ‥ ‥‥‥‥‥‥‥   \ 犬

Freneix, S.:Les Mollusques bivalves cretaces du Bassincotier de Tarfaya (Marocmeridional)よ   Notes and Serv. Geol. Maroら(228), 49-255, 18トplsよ(1972)      \ 犬

Fujii, K.:Stratigraphy and gelogical structure 0卜the Usuki area, Oita Prefecture, Ky・ushu, Pt.   1. Jour. Geol. Soc. Japan, 60ト(707), 413一如7, pis. 5ニ6 (1954)  \‥    し 万 ‥‥‥

Gabb, W. M.:Description of the Cretaceous fossilsニGeoL Suruり\CalifoT‘れiaPalaeont.1イ41,   55-243, pis. 9-32 (1864)∧       レ一 十 丿 \    \   /   :

Goldfuss, G. A.:Petrefacta Germaniae. 313 p.パ65 pkメ加z(Ditsseldorf,)(1833−40)\…… Hayami, I.: Taxonomic notes on Cardinia with description り a newりpecies from the しias of  ◇western Japan. Tokyo Univ., Jour.Fac.ノS池し2,べ11),115-130, pis.↓1 (1958)………= 一一-一一:Lower Liassic Lamellibranch fauna of the Higashinaganoイor耳lation in west Japan.

Ihid・,[2], 12, (1), 31-84, 4 pis. (1959)

--一一一一:Pelecypods of the Jusanhama Group (Purbeckian or Wealden) in Hashiura area、   northeast Japan. Japan、Jour.GeoL Geoer、、31、(1)、13−22、pi.3 (1960)・. ・・ .・ .・. ・

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part 1, 15, (2), 221-349, pisレ27-52; Part 2,17, (2), 73-150, pis……7-21; Part 3,17,(3), 15 1-249, pis. 22-26 (1965-66)         ▽六大   :       ト ニ  ト∧

A systematic survey of the Mesozoic Bivalviaトfrom Jaうan.Uniu. Mus. Uniu. Tofe・ B公1、、 =10、249 p. 10 pis. (1975)

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ー---,and Kawasawa, K.:Some Lower Cretace:ous bivalves from the Shimantogawa Grtニ)upof   south Shikoku. Ibid., (66), 73-82, pi. 9 (1967)   レ      犬       ニ

ー---,and Nakai, I.:On a Lower Cretaceous peleむypodバ'Cタrenaにnaumanni trom Japan.   ゴろid., (59), 114-125, pis.」3-14 (1965)  .   =  \      ノ △◇     ト

, and Noda, M.: Notes on the morphology of ・Neithca(Cretaceous pectinids) with

  taxonomic revision of Japanese species. \乃 「・, (105).27-54, pis. 5二6 (1977)   =  クレ ー一一一一-,and Oji, T.: Early cretaceous Bivalvia from Choshi district, Chida Prefecture, Japan才

Ibid.,(120), 419-448, pis. 51-53 (1981)   十 ‥上   ニ:      ト\

Hatai√K., Kotaka, T. and Noda, H.:Some marine Mollusoaスfrom Schimanokoshi harber in   Tanohata-cho, Shimohei-gun, Iwate Prefecture↓northeast Honshu, JapanニSaito Hn一O几私心   Mus.Res. BuJL, (38), 29-36√pi. 1 (1951)ニ  ・・・・.・. .・   ・・・.     ・..・

Hirata, M.:Mesozoic fossils in Kochi Prefむcture. for 1974,Hirata' sIastittttりofGeoL, Kochi,   68 p., 16 pis. (1975)      /        \\ し    ‥‥‥ ‥ ‥‥

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Ichikawa,……K.:and Maeda, Y.トL叫e Cretacec  ……Cucullaeidae (Pleurogrctmrれatoton.レ・卵yl。\j PloAitech,.=Osafeii\CiりUfiiu・.ソノ[G], (3), 61う74:pis PronodontidaトDySφdontid亀工Desmodontid在∧如ルノ ア(1958)犬   \  \ ‥‥‥‥>)∧ ∧〕万万=:jにf=, Iwasaki,……Y土Pseudamiantis∧a∧pelecypod genus.……万一:j:  コ(51),し9!ニー101, p:1・s・.・.J1・4う5イ1963)………\十∧……I,j

Kattり,トJ√and Tashiro√M.y: A studyニ皿トt徊

  southwest Japan, Pt. 1, Onトthe bivlve fauれ4

\  ReS・。……Rゆ。Kocfti U孔如。〕,(27), 143ヶ150, pis

一一一二にand∧Suyari,六狐ム:\Ge010ky of Monobeg・か

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Keen, AンM.: Superfami!y Cardiaoea.in Trea

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一 一 一 一 一 一 The pelecypod family Cardiidae:/A

 い(1)ソ40 p.〉(1980)…………j……万.:.・. ・ Kobayashi√T.: Studies on the、Jura飴io ……Geol、Geoer.、25、(1-2) 61-80 (1954) -フープ:1Nippomtrigo・maand・召財丿副g四畑in J  十(26)√51ニ61, pis√10サ11 (1957)十 ……

   ・y£jりノ・y・`j・ ・`j・・j F・.゛..・り=゛゛・ x゛゛・yl/..ト E・.・・・::‥‥‥‥ 一寸7,∧and Nakano√皿:On〉the丿恥れ):tr毎昨iinae.………:::i

38, pis√16十哲(19り7)

一大太一-,and 一一一一一二:The Lower二and:Middle

Kumamoto

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一一一一-aねd Suzuki・, K.:The brackish Wealden   しJapan………Ibid.・,(3二4)レ,レバ213-224√pis√13十且〉

-一一¬一,Hujita, A∇and Kimura√T.:トOnt the

Ihirf..,・20,・19¬21 (1945)

Kりz直レT士Early Cretaceo・XIS∧Pul≠its (Bivalvia)トjy=j・ fro・血J・.:・=.

 Japan,y\しSy.・, (144), 479-489, piト〉95 (1986)………:=し……\………>………y・..・

一二←:Cretacepis士Caestocorbula(坦valvia) Maeda,〉SエOn two spe雨s of Polymesり面

ce皿ra1・Japan.……rhid.,(36),ト.157.−160√pj1∧1 一二−:∧On some A/'φporiitrigoれiain Japan………J心血:r.   ト03−2150\(i962)‥犬‥‥ ‥‥1‥‥‥‥ ‥‥ ◇∧二白y. 一一アーand KaW油e,十でょTwo species of……tや,社ぐ万り

 Nyリgasayama尚district,:centr岫Japan.……A  (2), 89-93,抑丿1犬(1967):‥‥‥‥‥‥‥

プー― and Kitamura, T.:Lower Cretaceous Japan∧Jour.レ(フoUL≒Arts aれdSci……Chiba

Matoba,トY.トA Cretacりous trigoがiid from:レ曲(ゲ

………penisula, Kanagawa Prefecture……Transト糾 ………(1964):    ………万    … ………==/ Matsuda, T丿The bivalve上fauna㈲om十theニMi \ダSakawa area√Shikoku∧乃池上(137),∧1:ヤ18,

Matsリkawa,

MよCretaceous

System∧in the

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一十一一:So 「eproblemね6・n the〉C坤taceous

硲 レ ノ 仔 6 ゴ ニ t h e I z u r d ' I n d o g ・ r a m m a t o i 了 9 邱 卜 半 ト ゙ ン 2 万 ト し O f : ( ノゴ=抽μよ……(4 l … … … S φ ど … … : i 『the:……S1

ふmation in…………Susakiarea. ノ‥‥‥‥‥‥‥‥l.ト..・.:ダ・1.・・・.・・・. ・・・ =11………Ibid., b,・・万一1十Uトて1956 for iか√,=MolluSGa6, 2 G如しPctleont..し16 eol. G:如折……,一万28, (4),……2・19−2 尚尚Waka如皿亀……トOita…………and

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Bivalve fossilsfrom the type Monobegawa∧Group

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65

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area、Shikoku.Trans. Proc.Palaeo几t、Son.くJapan.、NレS.、12、393-418、うlsト62-65 (1982)

and 一一一一一一:Lower Cretaceous bivalves from the Sakawa area, Shikoku. Ibid.142, 366う 392, pis. 74-77 (1986)

and ―一一一一:A study of the pterotrigoniae from∇Japanレ(II) Morpholoがcal changes

Mem. Fac. Scfii. Kocfii Uniu.,[眉, 7, 1-18, pi. 1 (1986)

-一一'一一and Tanaka, H.=:Upi〕erAlbian bivalve fauna ofトtheHaidateyama Group in Kyushu.  Ibid., 5-6, r〕.r-23, pis. 1-3 (1985)

and Matsuda,

S.:Cretaceous

System

of southern area of Katsuura-gawa,

Tokushima

  Prefecture. Res. Rep. KocfiiUniv.34, 11-20, 2 pis. (1985) ,     犬

¬-一一一一andOhnishi, T.:Two new species of the Low昨Cretaceous corbiculoids (Bivalvia) from   Shikoku,・Japan,乃 「ら34にp. 1-10, pis. 1-3 (1985卜△犬      ト

ー-ニー― and Yamamoto, K.:On the species of Japanese”yとmonavis”(Crむtaceous Bivalvia) and  their biostratigraphical ranges.Ibid・, 29, 1-12, 1 pi.∧(1980)  犬    /

, Yanagisawa,

H. and Kitamura,

K.: Discovery of the Ryoseki fauna from Todai area,

‥ Akaishi Mountains. Jour. Geol. Japan, 92,(10), 757-759 (1986)       犬

VokeS,H.E.:Contributions to the Paleontology o仁theトLebanon mountains. Republic of   Lebanon, Pt. 3. The Pelecypod fauna of the ”Olive locality”ダ(Aptian) at AbeihよAm.Mus.   Nat.Hist..B乱に87, (3), 139-216, 10 pis. (1946)       ・・..・..    ・・

Wellnhofer, P.:Zur Pelecypoden fauna der Neuburger Bankkalke (Mittel-Tithon)レVerl. Bayer.   Akad. Wissensch, 1^143, pis. 1-7 (1964)  ∧       \     ヶ   ‥ く

Whiteaves, J. F.:On some invertebrates from the∧coalbearimg rocks of the Queen Charlote \ISland.GeoL Rur.Canada, MesozoicFossils,1ト92 p., 10 pis. (1876)        > 一一一一一一:Ibid...II)id., \,220 p.m 29 pis. (1879)      ヶ   十

(14)

Whitfield√RトP.:Observations∧on some

□Bull.Amer. Mus. NdtレHist., 3, 381-441,

Woods,宍耳し:トA monograph司コthe……Cretaceous L

     ・      ・  W −■  ■       ■  ■  ■■■■

犬227 pト,レ42p阪大voト?:(1904-1913)し4路し]√62 pisフ:,│=1戸

--→-:The Cretaceous fauna of Pondoland.ソAnr

 (1917)犬.・.・・..  .・.・・.・  . ・ .・ :…………J……j…………〉…………=j=ノI Yabe↓H.レPraecapfotiTia、)印.・gen. from〉the白工o加叶………q・.rJりta・j   Imp.Univ:.=:ノ紅9バ!)√21-24、p卜で(1叩砂\)………:……:j\………Iレ………\……=:j1万:J:j乙 -≒一一二大Cr吋aceo叩ノ乱ratigraphy of theし=J面四面(㈲知命√  (1927)……つ……1  \ト………∧j………I……∧yl2∇………レ……=ソ………ll Nagao,トT. and Shimizu, K りf,……Syria. 6…………日雇面㈲………言皿b呻………in the T ̄ ̄TT ̄’1N?1gaU,\1犬auμ・=ou111リ1zu’r`’汗し1'tj1匹y?暫……ツ琴ツ琴?=y?………J……1・.゛1:I?.1?.・j,=・:1=1や ニ\ Kaw面to上叫o面雁ih=iand∠払心レレ9,②レ33÷耳∧証牡犯÷ノパ……牡卯敗ノノ……>………J………=.J……ニヶゾ……ニ………=.1一・ノ……二万万=・j Y良仇阿所ムレN.:て呻aceoUs=mohsca士行o尚/t肘ゾ邱尚が=干姉半邱粧ニ,万レノ=く弗邱半レ]j==I万りぉ4=か伴jy仲ノソ,j=ニI刄rた

▽一― : Cretaceous分泌o:niae from southwe牡浦

  叫√p包レ8+13(↓923)‥‥‥  ‥ ‥‥‥‥ ト=万=

-¬サー:Cretaceous trigoうiae from southwest Ji

--¬-TザFaunalぺand stratigraphical study o卜曲

……40,:pis.

1¬5 (1927) \上  ………… …………宍

Yokoyama, M⑤Onレ叫me犬Cretaceous fossilsしj

 ………Tofe-yo・・,4√(2), 357¬366√pl.レ40 (1891)………=…………=J・ --¬T:くV臨teine・rungen∧aus d昨・japonisch'むnダ:χf  \i8÷25 (1890)  ………=:\………サ Zittle,大尽.⊃AにText-book of:palaeontologyi trar ・・:り£j.・ノ=・:・/.:.・・..・.・:・.・・・‥ ..・y・ フGfiol.<印面元∠町サ(紅/p√59プ ∠&÷mケ(1923) 元ノ聚〕ノ[i土仏1− 嶮しImp.……U航U、、 昿]159-202, pis. j叩9])琵:プ(1913) 昨ト30ン1994 er 26,い:j!994

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