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Gastropoda :: Gastropoda (n. pl.) One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See Mollusca..

Acerous :: Acerous (a.) Destitute of tentacles, as certain mollusks..

Polypoid :: Polypoid (a.) Like a polyp; having the nature of a polyp, but lacking the tentacles or other parts..

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..

Meconidium :: Meconidium (n.) A kind of gonophore produced by hydroids of the genus Gonothyraea. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel..

Pleurobrachia :: Pleurobrachia (n.) A genus of ctenophores having an ovate body and two long plumose tentacles.

Scaphopda :: Scaphopda (n. pl.) A class of marine cephalate Mollusca having a tubular shell open at both ends, a pointed or spadelike foot for burrowing, and many long, slender, prehensile oral tentacles. It includes Dentalium, or the tooth shells, and other similar shells. Called also Prosopocephala, and Solenoconcha..

Sea Orange :: Sea orange () A large American holothurian (Lophothuria Fabricii) having a bright orange convex body covered with finely granulated scales. Its expanded tentacles are bright red.

Saccate :: Saccate (a.) Of or pertaining to the Saccata, a suborder of ctenophores having two pouches into which the long tentacles can be retracted..

Ectoprocta :: Ectoprocta (n. pl.) An order of Bryozoa in which the anus lies outside the circle of tentacles.

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.)..

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..

Actinaria :: Actinaria (n. pl.) A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not..

Rhizostomata :: Rhizostomata (n. pl.) A suborder of Medusae which includes very large species without marginal tentacles, but having large mouth lobes closely united at the edges. See Illust. in Appendix..

Tentaculated :: Tentaculated (a.) Having tentacles, or organs like tentacles; tentacled..

Plumous :: Plumous (a.) Having hairs, or other parts, arranged along an axis like a feather; feathery; plumelike; as, a plumose leaf; plumose tentacles..

Stylommatophorous :: Stylommatophora (n. pl.) A division of Pulmonata in which the eyes are situated at the tips of the tentacles. It includes the common land snails and slugs. See Illust. under Snail.

Vestlet :: Vestlet (n.) Any one of several species of actinians belonging to the genus Cerianthus. These animals have a long, smooth body tapering to the base, and two separate circles of tentacles around the mouth. They form a tough, flexible, feltlike tube with a smooth internal lining, in which they dwell, whence the name..

Rhinophore :: Rhinophore (n.) One of the two tentacle-like organs on the back of the head or neck of a nudibranch or tectibranch mollusk. They are usually retractile, and often transversely furrowed or plicate, and are regarded as olfactory organs. Called also dorsal tentacles. See Illust. under Pygobranchia, and Opisthobranchia..

Tentaculocyst :: Tentaculocyst (n.) One of the auditory organs of certain medusae; -- called also auditory tentacle.

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