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Narthecoceratidae : ウィキペディア英語版 | Narthecoceratidae
''Narthecoceratidae'' is an extinct family of orthocone cephalopods who lived in marine environments in what is now North America during the Ordovician from 460.5—449 mya, existing for approximately .〔(PaleoBiology Database: ''Narthecoceratidae'', basic info )〕 ==Taxonomy== Narthecoceratidae was named by Flower (1958). It was assigned to ''Endocerida'' by Teichert et al. (1964); and reassigned to ''Orthocerida'' by Frey (1981).〔C. Teichert, B. Kummel, W.C. Sweet, H.B. Stenzel, W.M. Furnish, B.F. Glenister, H.K. Erben, R.C. Moore, and D.E. Nodine Zeller. 1964. Cephalopoda - general features - Endoceratoidea - Actinoceratoidea - Nautiloidea - Bactritoidea. Treatise on Invertebrate Paleontology K(3):1-519〕〔R. C. Frey. 1981. Narthecoceras (Cephalopoda) from the Upper Ordovician (Richmondian) of Southwest Ohio. Journal of Paleontology 55(6):1217-1224〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Narthecoceratidae」の詳細全文を読む
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