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Quasicravenoceras : ウィキペディア英語版 | Quasicravenoceras
''Quasicravenoceras'' is a genus in the goniatitid family Cravenoceratidae from the Carboniferous of Russia and Kazakhstan, included in the Neoglyphiocerataceae. The type species is ''Quasicravenoceras consuetum'' Ruzhencev & Bogoslovskaya, 1971. ==Diagnosis== ''Quasicravenoveras'' is characterized by a moderately large, variably involute, subdiscoidal shell, or conch. The surface is covered with sharp lamella that can appear as narrow ribs. The sides of the ventral lobe are divergent, separated by a short median saddle Related genera include ''Cravenoceras'', ''Cravenoceratoides'', ''Emstites'', and 'Gorboviceras''.
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「Quasicravenoceras」の詳細全文を読む
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