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Alloceratites : ウィキペディア英語版 | Alloceratites
''Alloceratites'' is an ammonoid cephalopod genus from the Middle Triassic of Germany included in the family Ceratitidae. The mature shell of ''Alloceratites'' has strong, well spaced lateral tubercles and clavi (nodes) along either side of the venter. Ribbing between tubercles is indistinct. The suture is ceratitic. ==References==
*Arkell, et al. 1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology. Geol. Soc. of America and Univ. Kans. Press.
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「Alloceratites」の詳細全文を読む
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