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Tornoceras
''Tornoceras'' is a strongly involute, subdiscoidal Middle and Upper Devonian goniatite with a suture that forms six to ten lobes. ''Aulatornoceras'', ''Protornoceras'', ''Epitornoceras'', ''Lobotornoceras'' are among related genera included in the Tornoceratidae. Inclusion however varies from classification to classification.〔〔(Goniat- Tornoceratidae )〕〔(The Paleobiology Database Tornoceratidae )〕 ==References==
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「Tornoceras」の詳細全文を読む
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