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Vesicularia :: Vesicularia (n.) Any one of numerous species of marine Bryozoa belonging to Vesicularia and allied genera. They have delicate tubular cells attached in clusters to slender flexible stems.

Coral :: Coral (n.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa..

Stoloniferous :: Stolon (n.) An extension of the integument of the body, or of the body wall, from which buds are developed, giving rise to new zooids, and thus forming a compound animal in which the zooids usually remain united by the stolons. Such stolons are often present in Anthozoa, Hydroidea, Bryozoa, and social ascidians. See Illust. under Scyphistoma..

Pterobranchia :: Pterobranchia (n. pl.) An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura..

Entoprocta :: Entoprocta (n. pl.) A group of Bryozoa in which the anus is within the circle of tentacles. See Pedicellina.

Cyclostoma :: Cyclostoma (n. pl.) A division of Bryozoa, in which the cells have circular apertures..

Hornwrack :: Hornwrack (n.) A bryozoan of the genus Flustra.

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..

Molluscoidea :: Molluscoidea (n. pl.) A division of Invertebrata which includes the classes Brachiopoda and Bryozoa; -- called also Anthoid Mollusca.

Statocracy :: Statoblast (n.) One of a peculiar kind of internal buds, or germs, produced in the interior of certain Bryozoa and sponges, especially in the fresh-water species; -- also called winter buds..

Bryozoan :: Bryozoan (n.) One of the Bryozoa.

Sea Scurf :: Sea scurf () Any bryozoan which forms rounded or irregular patches of coral on stones, seaweeds, etc..

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

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.)..

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

Sea Moss :: Sea moss () Any branched marine bryozoan resembling moss.

Pedicellina :: Pedicellina (n.) A genus of Bryozoa, of the order Entoprocta, having a bell-shaped body supported on a slender pedicel. See Illust. under Entoprocta..

Chilostomata :: Chilostomata (n. pl.) An extensive suborder of marine Bryozoa, mostly with calcareous shells. They have a movable lip and a lid to close the aperture of the cells..

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..

Polyzoa :: Polyzoa (n. pl.) Same as Bryozoa. See Illust. under Bryozoa, and Phylactolaemata..

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