The Squid, Octopus, and Nautilus ClipArt gallery includes 132 illustrations of squid, octopus, nautilus, and ammonites. These animals are members of the mollusk (or mollusc) class of cephpalopods, named cephalopoda.

Chambered shell, endless in their variations, in the earliest periods were a species with simple septa and straight shells as in Ormoceras tenuifilum, which shows a large annulated central siphon.

Straight Chambered Shell

Chambered shell, endless in their variations, in the earliest periods were a species with simple septa…

Baculites is a genus of extinct marine animals in the Phylum Mollusca and Class Cephalopoda. They are a nearly straight-shelled type of heteromorph ammonite. This fragment is of a straight chambered shell, Baculites ovatus of Mesozoic Time, belonging to the Ammonite family.

Coiled Chambered Shell

Baculites is a genus of extinct marine animals in the Phylum Mollusca and Class Cephalopoda. They are…

<i>Ammonites bisulcatus</i>. "Same as ammonite; from an old popular notion that these shells were coiled snakes petrified." &mdash;Whitney, 1889

Snakestone - Ammonite

Ammonites bisulcatus. "Same as ammonite; from an old popular notion that these shells were coiled snakes…

An illustration of a Spirolina, a sculptured imperfectly coiled shell.

Spirolina

An illustration of a Spirolina, a sculptured imperfectly coiled shell.

"Spirula peronii, lateral view. d, terminal sucker; f, funnel; s1, s2, projecting portions of the shell, the internal part of which is indicated by dotted lines." -Parker, 1900

Spirula Peronii

"Spirula peronii, lateral view. d, terminal sucker; f, funnel; s1, s2, projecting portions of the shell,…

The squid is the best example of the cephalopod group. It is abundant along the Atlantic coast. Squids swim in schools and feed on young herring and mackerel.

Squid

The squid is the best example of the cephalopod group. It is abundant along the Atlantic coast. Squids…

A squid.

Squid

A squid.

The Atlantic Bobtail (Sepiola atlantica) is a cephalopod in the Sepiolidae family of bobtail squids.

Atlantic Bobtail

The Atlantic Bobtail (Sepiola atlantica) is a cephalopod in the Sepiolidae family of bobtail squids.

The European Squid (Loligo vulgaris) is a large squid belonging to the family Loliginidae. It occurs abundantly in coastal waters from the North Sea to at least the west coast of Africa. This species lives from sea level to depths of 500 m. The mantle is up to 40 cm long. It is the only species in the subgenus Loligo. There are two subspecies of this squid: the nominate L. v. vulgaris, and the Cape Hope Squid, L. v. reynaudi.

European Squid

The European Squid (Loligo vulgaris) is a large squid belonging to the family Loliginidae. It occurs…

A modern decapod cephalopod with remnant of internal shell only.

European Squid

A modern decapod cephalopod with remnant of internal shell only.

"Its length from tail to the end of the tentacles is six feet. The two largest of these are furnished with suckers and hooks, which enable the animal to seize its prey with a powerful grip." &mdash; Goodrich, 1859

Hooked squid

"Its length from tail to the end of the tentacles is six feet. The two largest of these are furnished…

A fossilized shell.

Turrillites

A fossilized shell.