"Orthid" is a word in ENGLISH

One of the Brachiopoda, or its shell.

A name formerly given to certain Silurian brachiopod shells of the genus Spirifer.

The triangular space under the beak of many brachiopod shells.

One of the muscles which open the shell of brachiopods; a cardinal muscle. See Illust. of Brachiopoda.

The peduncle or stem by which various marine animals are attached, as certain brachiopods and goose barnacles.

Without a hinge; -- said of an order (Inarticulata or Ecardines) of brachiopods.

Any one of numerous species of brachiopod shells belonging to the genus Lingula, and related genera. See Brachiopoda, and Illustration …

An order of brachiopods, in which the valves of shell are not articulated by a hinge. It includes the Lingula, …

Having the pallium, or mantle, acting as a gill, as in brachiopods.

A genus of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian.

An extinct genus of brachiopods, very characteristic of the Carboniferous rocks.

A genus of brachiopods of which some species are still living, while many are found fossil.

A capsule or pocket inclosing a number of spermatozoa. They are present in many annelids, brachiopods, mollusks, and crustaceans. In …

tamislat n {1} k. o. brachiopod found burrowing in the sand, used in soup. {2} facetious term for s. o. …

A genus of brachiopods which includes many living and some fossil species. The larger valve has a perforated beak, through …

A division of brachiopods including those which have a calcareous shell furnished with a hinge and hinge teeth. Terebratula and …

A genus of brachiopods of which many species are found in the fossil state. A few still exist in the …