Order

Teuthida

  Class

Cephalopoda

  No. of Genera in Ref.

  No. of Species in Ref.

  Environment

Fresh : No | Brackish : No | Marine : No

  Aquarium

  First Fossil Record

     

  Remark

Rough estimates from videos indicate total lengths up to 7 m. Eyes large. Head short without distinct neck or brachial pillar. Fins terminal and very large, about 70 to 90% of mantle length. Muscular mantle restricted to the anterior 10 to 15% of the sessile region (fins without the free anterior fin lobes) of the fins. Short tail usually present. Arms with 2 regions: short, proximal-arms with large suckers and long, very slender distal-arms covered with minute suckers. Arms suckers with bi- to quadriserial suckers on proximal-arms. Tentacles with 2 regions: short, proximal-tentacles that may or may not bear numerous suckers and long, very slender distal tentacles covered with numerous minute suckers. Tentacles without keels, pads or locking apparatuses. Arms and tentacles are approximately equal in thickness and length. Buccal connectives attach to ventral margins of arms IV. Funnel with oval locking apparatus without tragus or antitragus. Photophores absent (Ref. 104052).

  Etymology

  Division

  Reproductive guild

  Typical activity level

  Main Ref.

  Coordinator