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Trochosphere :: Trochosphere (n.) A young larval form of many annelids, mollusks, and bryozoans, in which a circle of cilia is developed around the anterior end..

Bryozoum :: Bryozoum (n.) An individual zooid of a bryozoan coralline, of which there may be two or more kinds in a single colony. The zooecia usually have a wreath of tentacles around the mouth, and a well developed stomach and intestinal canal; but these parts are lacking in the other zooids (Avicularia, Ooecia, etc.)..

Phylactolaemata :: Phylactolaemata (n. pl.) An order of fresh-water Bryozoa in which the tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians..

Coenoecium :: Coenoecium (n.) The common tissue which unites the various zooids of a bryozoan.

Tubulipore :: Tubulipore (n.) Any one of numerous species of Bryozoa belonging to Tubulipora and allied genera, having tubular calcareous calicles..

Lunulite :: Lunulite (n.) Any bryozoan of the genus Lunulites, having a more or less circular form..

Vestibulum :: Vestibulum (n.) A cavity into which, in certain bryozoans, the esophagus and anus open..

Zoophyta :: Zoophyta (n. pl.) An extensive artificial and heterogeneous group of animals, formerly adopted by many zoologists. It included the c/lenterates, echinoderms, sponges, Bryozoa, Protozoa, etc..

Malacozoa :: Malacozoa (n. pl.) An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria..

Vibraculum :: Vibraculum (n.) One of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. They are regarded as specially modified zooids, of nearly the same nature as Avicularia..

Ectocyst :: Ectocyst (n.) The outside covering of the Bryozoa.

Acephala :: Acephala (n. pl.) That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca..

Ooecium :: Ooecium (n.) One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See Bryozoa..

Perigastric :: Perigastric (a.) Surrounding the stomach; -- applied to the body cavity of Bryozoa and various other Invertebrata.

Polypidom :: Polypidom (n.) A coral, or corallum; also, one of the coral-like structure made by bryozoans and hydroids..

Sea Mat :: Sea mat () Any bryozoan of the genus Flustra or allied genera which form frondlike corals.

Hippocrepian :: Hippocrepian (n.) One of an order of fresh-water Bryozoa, in which the tentacles are on a lophophore, shaped like a horseshoe. See Phylactolaema..

Gymnolaemata :: Gymnolaemata (n. pl.) An order of Bryozoa, having no epistome..

Zoophyte :: Zoophyte (v. i.) Any one of numerous species of invertebrate animals which more or less resemble plants in appearance, or mode of growth, as the corals, gorgonians, sea anemones, hydroids, bryozoans, sponges, etc., especially any of those that form compound colonies having a branched or treelike form, as many corals and hydroids..

Coralline :: Coralline (n.) Formerly any slender coral-like animal; -- sometimes applied more particulary to bryozoan corals.

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