Scaphites equalis is a species of extinct cephalopods that thrived during the Cretaceous period.

Scaphites

Scaphites equalis is a species of extinct cephalopods that thrived during the Cretaceous period.

Scissurella crispata is a species of small sea snails in the Scissurellidae family.

Scissurella

Scissurella crispata is a species of small sea snails in the Scissurellidae family.

"Sea-lemon (Goniodoris nodosa). GONIODORIDIDAE. A family of nudibranchiate gastropods, typified by the genus Goniodoris, having a sessile or petiolated suctorial pharyngeal bulb." -Whitney, 1911

Sea Lemon

"Sea-lemon (Goniodoris nodosa). GONIODORIDIDAE. A family of nudibranchiate gastropods, typified by the…

"Chromatophore of Sepia, magnified. nuc, nuclei in wall of sac; pigm, pigment; rad. mus, radiating strands of muscle." -Parker, 1900

Sepia Chromatophore

"Chromatophore of Sepia, magnified. nuc, nuclei in wall of sac; pigm, pigment; rad. mus, radiating strands…

"Of this there are several species in the Atlantic, Indian, and Pacific Oceans. They are two to four inches long." — Goodrich, 1859

Sepiola

"Of this there are several species in the Atlantic, Indian, and Pacific Oceans. They are two to four…

"Noted for a very long proboscis, sometimes twice the length of the shell. The latter is turretted, smooth, white, and spotted with light red." — Goodrich, 1859

Bishop's mitre shell

"Noted for a very long proboscis, sometimes twice the length of the shell. The latter is turretted,…

"The top shell, <em>T. marmoratus</em>, has a turbinated solid shell, with convex whorls." &mdash; Goodrich, 1859

Top shell

"The top shell, T. marmoratus, has a turbinated solid shell, with convex whorls." — Goodrich,…

The Shipworm (Teredo navalis) is a saltwater clam that is known for boring into wooden structures such as ships, piers, and docks.

Shipworm

The Shipworm (Teredo navalis) is a saltwater clam that is known for boring into wooden structures such…

"A gastropod of the family Ovulidae and genus Radius, as R. volva, of long fusiform shape, the ends of the lips being greatly drawn out; so called from the resemblance to a weavers' shuttle." -Whitney, 1911

Shuttle Shell

"A gastropod of the family Ovulidae and genus Radius, as R. volva, of long fusiform shape, the ends…

The shell of a Slit Worm Snail (Siliquaria anguina). The species is a gastropod mollusc that has an eloongated shell with a narrow slit down its length.

Slit Worm Snail

The shell of a Slit Worm Snail (Siliquaria anguina). The species is a gastropod mollusc that has an…

"A very abundant species, and in Europe a broth made of it is used for diseases of the chest." &mdash; Goodrich, 1859

Red slug

"A very abundant species, and in Europe a broth made of it is used for diseases of the chest." —…

The Green Sea Slug (Elysia viridis) is a species of a gastropod mollusc in the Placobranchidae family of sea slugs.

Green Sea Slug

The Green Sea Slug (Elysia viridis) is a species of a gastropod mollusc in the Placobranchidae family…

"Limax flavus, a Slug." -Galloway, 1915

Yellow Slug

"Limax flavus, a Slug." -Galloway, 1915

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these, which the animal pushes out or draws back like telescopes, are blackish knobs, which are the eyes." &mdash; Goodrich, 1859

Common snail

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these,…

"Cypraea moneta (Cowrie). Showing the mantle, provided with marginal tentacles, partly enveloping the shell. Br, branchia; M, M, mantle; F, foot; T, tentacles at the edge of the mantle." -Parker, 1900

Money Cowry

"Cypraea moneta (Cowrie). Showing the mantle, provided with marginal tentacles, partly enveloping the…

"Shell of Solarium perspectivum from the under side." -Parker, 1900

Solarium Shell

"Shell of Solarium perspectivum from the under side." -Parker, 1900

"The <em>U. spinosa</em> is found in the Mississippi River." &mdash; Goodrich, 1859

Unio spinosa

"The U. spinosa is found in the Mississippi River." — Goodrich, 1859

"The <em>Chiton spinosus</em> is bordered by long, black, aculeted spines; found in the South Seas; length three inches." &mdash; Goodrich, 1859

Chiton spinosus

"The Chiton spinosus is bordered by long, black, aculeted spines; found in the South Seas;…

"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 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.

"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…

"Found in the West Indies, the Red Sea, India, Mauritius, and various other seas." &mdash; Goodrich, 1859

Strome

"Found in the West Indies, the Red Sea, India, Mauritius, and various other seas." — Goodrich,…

"Tellina Balthica&mdash; a common marine shell in the Boulder Clays." -Taylor, 1904

Tellina Balthica

"Tellina Balthica— a common marine shell in the Boulder Clays." -Taylor, 1904

"Tellina crassa." -Taylor, 1904

Tellina crassa

"Tellina crassa." -Taylor, 1904

"The <em>T. terebra</em>, is found in the African and Indian seas." &mdash; Goodrich, 1859

Turritella terebra

"The T. terebra, is found in the African and Indian seas." — Goodrich, 1859

"It has an aperture at each end; the animal inhabiting it is of a cylindrical form, and inclosed in a sac-like mantle." &mdash; Goodrich, 1859

Elephant's tooth

"It has an aperture at each end; the animal inhabiting it is of a cylindrical form, and inclosed in…

"In the Arcacea the shells are nearly equal, usually thick and furnished with a long row of reeth at the hinge. Among them is the <em>Arca tortuosa</em> the shell somewhat twisted and striated' found in the Indian Ocean." &mdash; Goodrich, 1859

Arca tortuosa

"In the Arcacea the shells are nearly equal, usually thick and furnished with a long row of reeth at…

"The <em>Hyalea tridentata</em> is globular and transparent, with long appendages to the mantle." &mdash; Goodrich, 1859

Hyalea tridentata

"The Hyalea tridentata is globular and transparent, with long appendages to the mantle." —…

"Trochus ziziphinus." -Taylor, 1904

Trochus ziziphinus

"Trochus ziziphinus." -Taylor, 1904

"The marine trumpet or Triton's shell, <em>Triton variegatus</em>, is elegantly variegated with red and bay, the edge of the outer lip spotted with black. It is a native of the Asiatic West Indian seas." &mdash; Goodrich, 1859

Marine trumpet-shell

"The marine trumpet or Triton's shell, Triton variegatus, is elegantly variegated with red…

"The large <em>Helmet-Shells</em>, of the genus <em>Cassis</em> are used in the manufacture of cameos." &mdash; Goodrich, 1859

Cassis tuberosa

"The large Helmet-Shells, of the genus Cassis are used in the manufacture of cameos."…

A fossilized shell.

Turrillites

A fossilized shell.

"These animals, called <em>Umbrella-Shells</em>, are furnished with a shell, which, however, is often concealed by the mantle; the foot is usually large, and the feather-like gill hidden between a fold of the mantle and the foot. The shell is sometimes limpet-shaped. The <em>Umbrella Mediterranea</em> and the <em>U. Indica</em> are the only known species." &mdash; Goodrich, 1859

Mediterranean umbrella-shell

"These animals, called Umbrella-Shells, are furnished with a shell, which, however, is often…

A living species of gastropoda.

Voluta undulata

A living species of gastropoda.

"The <em>B. velum</em> is very elegant, and of a light-brown color; the apex and base are both white, bordered with dark brown bands." &mdash; Goodrich, 1859

Bulla velum

"The B. velum is very elegant, and of a light-brown color; the apex and base are both white,…

"The animal in this case is inclosed in a cacareous tube, the anterior extremity of which is closed by a curious perforated disk; the other end is ornamented with several ruffle-like bands." &mdash; Goodrich, 1859

Tube of the water-pot shell magnified

"The animal in this case is inclosed in a cacareous tube, the anterior extremity of which is closed…

"The animal in this case is inclosed in a cacareous tube, the anterior extremity of whichi is closed by a curious perforated disk; the other end is ornamented with several ruffle-like bands." &mdash; Goodrich, 1859

Tube of the watering-pot shell

"The animal in this case is inclosed in a cacareous tube, the anterior extremity of whichi is closed…

"The shell is mostly white and lustrous; turreted and many-whorled; the animal has a proboscis-like mouth, tentacles close together, long, and pointed, and the eyes near their outer bases." &mdash; Goodrich, 1859

Wentle-trap

"The shell is mostly white and lustrous; turreted and many-whorled; the animal has a proboscis-like…

The wentletrap is a small, white, spiraled gastropod mollusk.

Wentletrap

The wentletrap is a small, white, spiraled gastropod mollusk.

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

"Extensively caught in dredges in Europe, as it is eaten, and is also used as fish-bait. It is well-known to bore through the shells of other mollusca, and thus to suck out the vital parts." &mdash; Goodrich, 1859

Common whelk

"Extensively caught in dredges in Europe, as it is eaten, and is also used as fish-bait. It is well-known…

The common whelk (Buccinum undatum) is a large edible sea snail and a gastropod mollusk.

Common Whelk

The common whelk (Buccinum undatum) is a large edible sea snail and a gastropod mollusk.

"White whelk (Buccinum undatum)." -Taylor, 1904

White Whelk

"White whelk (Buccinum undatum)." -Taylor, 1904

"The shell of the thorny woodcock, <em>M. tribulus</em>, sometimes called <em>Venus's Comb</em>, is much prized by collectors, if in a perfect state; it is often very delicate and beautiful." &mdash; Goodrich, 1859

Thorny Woodcock

"The shell of the thorny woodcock, M. tribulus, sometimes called Venus's Comb, is…