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Vampyromorphida is an order of cephalopods comprising one known extant species (''Vampyroteuthis infernalis'') and many extinct taxa. Physically, they somewhat resemble octopuses, but the eight main tentacles are united by a web of skin, and two smaller tentacles are also present. ==Classification== *Order Vampyromorphida * *?Suborder †Kelaenina * * *Family †Muensterellidae * *Suborder †Prototeuthina * * *Family †Loligosepiidae * * *Family †Geopeltididae * * *Family †Lioteuthididae * * *Family †Mastigophoridae * *Suborder †Mesoteuthina * * *Family †Palaeololiginidae * * * *Subfamily †Teudopseinae * * * *Subfamily †Palaeololigininae * *Suborder Vampyromorphina * * *Family Vampyroteuthidae The following taxa were long considered to belong to Vampyromorphida, but this placement may be incorrect:〔Fischer, Jean-Claude & Riou, Bernard (2002): ''Vampyronassa rhodanica'' nov. gen. nov sp., vampyromorphe (Cephalopoda, Coleoidea) du Callovien inférieur de la Voulte-sur-Rhône (Ardèche, France). ''Annales de Paléontologie'' 88(1) 1−17. (with English abstract ) (HTML abstract)〕 *Family †Plesioteuthididae *Family †Leptotheuthididae *Family †Trachyteuthididae * *Subfamily †Trachyteuthidinae * *Subfamily †Actinosepiinae 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「Vampyromorphida」の詳細全文を読む スポンサード リンク
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