bivalve

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Related to Pelecypoda: Cephalopoda, Amphineura

bivalve

(bī′vălv′)
n.
Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Also called lamellibranch, pelecypod.
adj.
1. Having a shell consisting of two hinged valves.
2. Consisting of two similar separable parts.

bi′valved′ adj.

bivalve

any marine or freshwater mollusc of the class Lamellibranchiata (Pelecypoda) having two hinged parts to its shell. BRACHIOPODS are also bivalves, in that there are two hinged parts to the shell, but the term is usually restricted to true molluscs.

bivalve

shellfish members of the Class Bivalvia. Molluscs enclosed between two shells which are hinged together. Includes oysters, clams, arkshells, mussels. Called also lamellibranch.
References in periodicals archive ?
Rainy period P1 P2 Hydroida 32 [+ or -] 44 24 [+ or -] 8 Nematoda 100 [+ or -] 100 Gastropoda (veliger) 1360 960 [+ or -] 1350 Pelecypoda (veliger) 2950 3080 [+ or -] 4360 Polychaeta (larvae) 63 [+ or -] 6 191 [+ or -] 66 Cladocera Penilia avirostris Dana, 10 [+ or -] 10 21 [+ or -] 30 1852 Copepoda Paracalanus quasimodo 1930 [+ or -] 216 132 [+ or -] 220 Bowman, 1971 Parvocalanus crassirostris 1062 [+ or -] 1266 2211 [+ or -] 973 F.
Valvatidae Valvata X unidentified snails Pelecypoda Corbiculidae Dreissenidae Sphaeriidae (unident.
I chromosomi spermatocitari di 16 species appartenenti alla classe Pelecypoda.