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Trachyteuthidinae : ウィキペディア英語版 | Trachyteuthis
''Trachyteuthis'' is a genus of fossil teuthid, comprising four species: ''T. hastiformis'', ''T. nusplingensis'', ''T. teudopsiformis'',〔 〕 and ''T. covacevichi''.〔 〕 ==Taxonomy== The taxonomic placement of ''Trachyteuthis'' is uncertain. Though often assigned to the order Vampyromorphida, the discovery of fossilised ''Trachyteuthis'' beaks in the Upper Jurassic limestone of Germany suggests a close phylogenetic relation to the Octopoda.〔 〕〔 〕 It is clear that it does at least belong in the Coleoidea.〔 It is thought to be very closely related to ''Teudopsis''.〔
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「Trachyteuthis」の詳細全文を読む
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