Actinozoa :: Actinozoa (n. pl.) A group of Coelenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example..

Actinozoal :: Actinozoal (a.) Of or pertaining to the Actinozoa.

Actinozoon :: Actinozoon (n.) One of the Actinozoa.

Amorphozoa :: Amorphozoa (n. pl.) Animals without a mouth or regular internal organs, as the sponges..

Amorphozoic :: Amorphozoic (a.) Of or pertaining to the Amorphozoa.

Antherozoid :: Antherozoid (n.) Alt. of Antherozooi.

Antherozooid :: Antherozooid (n.) One of the mobile male reproductive bodies in the antheridia of cryptogams.

Anthozoa :: Anthozoa (n. pl.) The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria..

Anthozoan :: Anthozoan (a.) Pertaining to the Anthozoa.

Anthozoan :: Anthozoan (n.) One of the Anthozoa.

Anthozoic :: Anthozoic (a.) Of or pertaining to the Anthozoa.

Antozone :: Antozone (n.) A compound formerly supposed to be modification of oxygen, but now known to be hydrogen dioxide; -- so called because apparently antagonistic to ozone, converting it into ordinary oxygen..

Archaeozoic :: Archaeozoic (a.) Like or belonging to the earliest forms of animal life.

Arthrozoic :: Arthrozoic (a.) Of or pertaining to the Articulata; articulate.

Ascidiozooid :: Ascidiozooid (n.) One of the individual members of a compound ascidian. See Ascidioidea.

Brontozoum :: Brontozoum (n.) An extinct animal of large size, known from its three-toed footprints in Mesozoic sandstone..

Bryozoa :: Bryozoa (n. pl.) A class of Molluscoidea, including minute animals which by budding form compound colonies; -- called also Polyzoa..

Bryozoan :: Bryozoan (a.) Of or pertaining to the Bryozoa.

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

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.)..

Caenozoic :: Caenozoic (a.) See Cenozoic.

Cainozoic :: Cainozoic (a.) See Cenozic.

Calycozoa :: Calycozoa (n. pl.) A group of acalephs of which Lucernaria is the type. The body is cup-shaped with eight marginal lobes bearing clavate tentacles. An aboral sucker serves for attachment. The interior is divided into four large compartments. See Lucernarida.

Cenozoic :: Cenozoic (a.) Belonging to the most recent division of geological time, including the tertiary, or Age of mammals, and the Quaternary, or Age of man. [Written also caenozoic, cainozoic, kainozoic.] See Geology..

Corozo :: Corozo (n.) Alt. of Coross.

Dactylozooid :: Dactylozooid (n.) A kind of zooid of Siphonophora which has an elongated or even vermiform body, with one tentacle, but no mouth. See Siphonophora..

Deuterozooid :: Deuterozooid (n.) One of the secondary, and usually sexual, zooids produced by budding or fission from the primary zooids, in animals having alternate generations. In the tapeworms, the joints are deuterozooids..

Diphyozooid :: Diphyozooid (n.) One of the free-swimming sexual zooids of Siphonophora.

Echinozoa :: Echinozoa (n. pl.) The Echinodermata.

Ectozoa :: Ectozoa (pl. ) of Ectozoo.

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