Ark shell: alternatives and connections

Any cirriped crustacean adhering to rocks, floating timber, ships, etc., esp. (a) the sessile species (genus Balanus and allies), and…

A shell; esp. a spherical shell, like those fired from mortars. See Shell.

A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo.

marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide

A marine univalve shell of the genus Bulla and allied genera, belonging to the Tectibranchiata.

A bivalve mollusk of many kinds, especially those that are edible; as, the long clam (Mya arenaria), the quahog or round clam (Venus m…

Shaped like one half of a bivalve shell; shell-shaped.

A genus of small, bivalve, fresh-water Crustacea, belonging to the Ostracoda; also, a member of this genus.

A genus of marine mollusks belonging to the Scaphopoda, having a tubular conical shell.

edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions

A bivalve shell of the genus Pecten. See Scallop.

One of several species of marine gadoid fishes, of the genera Phycis, Merlucius, and allies. The common European hake is M. vulgaris;…

A shell of the genus Crepidula; a boat shell. See Boat shell.

A special area in front of the beak of many bivalve shells. It sometimes has the shape of a double crescent, but is oftener heart-shap…

Any marine bivalve shell of the genus Mactra, and allied genera. Many species are known. Some of them are used as food, as Mactra stul…

A genus of bivalve shells; the hammer shell.

Of or pertaining to the sea; having to do with the ocean, or with navigation or naval affairs; nautical; as, marine productions or bod…

Any one of many species of marine bivalve shells of the genus Mytilus, and related genera, of the family Mytidae. The common mussel (M…