Coleoids

Humboldt squid (Dosidicus gigas)A Humboldt squid (Dosidicus gigas) dashing in front of the ROV camera. This photo was taken at a depth of -481.8 meters in Sur Canyon as a part of a deep-sea coral expedition conducted by NMFS aboard the R/V Shimida in December, 2010.From SIMoN

Sepia officinalis (Linnaeus).

Loligo vulgaris, with its feather, or internal bone (Lamarck).

Indian Deep-Sea Mollusca. Chiroteuthis pellucida, from the Bay of Bengal, 922 fathoms

Stoleteuthis iris, lateral view of type [31].

Squid--Octopodia are true scavengers, eating anything eatable which comes in their way.

Shell of Argonauta argo (Linnaeus).

Megalocranchia fisheri, ventral view of type.

Male of Ocythoe tuberculata Raf. (=Philonexis catenulatus, Fer.), Mediterranean, showing three stages, A, B, and C., in the development of the hectocotylus arm; h.cy, hectocotylus still in the cyst; c'y', spoon-shaped cyst at the end of the arm when freed; th, thread-like organ freed by the rupture of c'y'....

Internal bone of Sepia officinalis.

Two stages in the development of Loligo vulgaris Lam.; a,a, first and a2,a2 second pairs of arms; br, branchiae, seen through m, mantle; e, e, eyes; f, fins; fu, funnel; v.s, vitelline sac.

Amphitretus pelagicus Hoyle, off Kermadee Is..

Stoloteuthis iris, ventral view of type [31[.

Octopus Americanus. From a painting made at Tortugas, Fla., by Herbert B. Judy.

Argonauta argo (Linnaeus).

Ommastrephes hawaiiensis, ventral view of type [243].

Octopus Alberti, d'apres Joubin (face ventrale).

Giant Squid NASA

Sepia officinalis (Linnaeus).

Bathyteuthis abyssicola (After Hoyle).

Cephalopods. Ommastrephes illecebrosus V

Octopus vulgaris Lam., Naples:. A, at rest; B, in motion; f, funnel, the arrow showing the direction of the propelling current of water

Argonauta argo.

Shell of Spirula Peronii Lam:. A, Outside view; B, showing last chamber and position of siphuncle