Vampyromorphida
Also known as Vampyromorpha
Vampyromorphida is an order of cephalopods comprising one known extant species (Vampyroteuthis infernalis) and many extinct taxa. Physically, they somewhat resemble octopuses (their closest relatives), but are often called vampire squids. Unlike octopuses, their eight arms are united by a web of skin, and two smaller cilia are also present. Properly speaking, the vampire squid does not possess cilia, but cirri (cilia-like projections). Unlike most cephalopods, which are high-energy hunters, the vampire squid has an extremely low metabolic rate. This adaptation means it requires less oxygen and
Species
vampire squids
Order
- PhylumMollusca
- ClassCephalopoda
- OrderVampyromorpha
Habitatmarine
亞目 †Kelaenina? †Prototeuthina †中魷亞目 Mesoteuthina 幽靈蛸亞目 Vampyromorphina 幽靈蛸目（學名：Vampyromorphida），又名吸血烏賊目，是八腕總目的一個目。包括一種已知的現存物種──吸血烏賊（Vampyroteuthis infernalis）和許多已滅絕的分類群。牠們的身體類似章魚，但牠們的八個腕由皮膚網聯合在一起。牠們還有兩根較小的纖毛。[1] 目录 1 分類 2 圖片 3 參考文獻 4 外部連結 分類 幽靈蛸目 Vampyromorphida †亞目 Kelaenina †科 Muensterellidae †亞目 Prototeuthina †科 Loligosepiidae †科 Geopeltididae †科 Lioteuthididae †科 Mastigophoridae †中魷亞目 Mesoteuthina †科 Palaeololiginidae †亞科 Teudopseinae †亞科 Palaeololigininae 幽靈蛸亞目 Vampyromorphina 幽靈蛸科 Vampyroteuthidae 以下分類群被認為屬於幽靈蛸目，但這種放置可能不正確：[2] †科 Plesioteuthididae †科 Leptotheuthididae †粗沙鱗科 Trachyteuthididae †粗沙鱗亞科 Trachyteuthidinae †亞科 Actinosepiinae 圖片 Leptoteuthis gigas Muensterella scutellaris Palaeololigo oblonga Teudopsis subcostata Vampyronassa rhodanica 參考文獻 ^ Barnes, Robert D. Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. 1982: 461. ISBN 0-03-056747-5. ^ 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. [French with English abstract] doi:10.1016/S0753-3969(02)01037-6 (HTML abstract)
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Article
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- Classification
- References
Vampyromorphida is an order of cephalopods comprising one known extant species (Vampyroteuthis infernalis) and many extinct taxa. Physically, they somewhat resemble octopuses (their closest relatives), but are often called vampire squids. Unlike octopuses, their eight arms are united by a web of skin, and two smaller cilia are also present. Properly speaking, the vampire squid does not possess cilia, but cirri (cilia-like projections). Unlike most cephalopods, which are high-energy hunters, the vampire squid has an extremely low metabolic rate. This adaptation means it requires less oxygen and its food lasts longer, helping it conserve energy and thrive in these harsh deep-sea conditions. Studies show its oxygen consumption is among the lowest of any cephalopod, allowing it to occupy a competition-free niche in the deep sea where few predators or competitors can follow, since not many can survive.
==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