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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
An occurrence of Anodonta (Mollusca: Pelecypoda) in deep water.
Algunos aspectos reproductivos y variacion mensual del indice de condicion de Anadara similis (Pelecypoda: Arcidae) de Jicaral, Puntarenas, Costa Rica.
Item presa %N %FO %IIR Copepoda Calanidae 6,82 50,68 8,29 Eucalanus 1,13 16,10 0,44 Paracalanidae 14,43 43,49 15,05 Centropages 1,70 18,84 0,77 Acartia 0,29 4,11 0,03 Calanoida 34,42 63,36 52,28 Oncaea 2,92 28,42 1,99 Corycaeus 5,80 28,77 4,00 Oithona 0,63 4,79 0,07 Microsetella 3,15 14,38 1,09 Copepoda inteterminados 6,20 32,53 4,84 Ostracoda 0,14 7,19 0,02 Euphausiacea 4,08 5,82 0,57 Appendicularia 4,74 22,60 2,57 Larvas Cifonauta 0,08 5,14 0,01 Larvas Pelecypoda 9,38 27,05 6,08 Cypris Cirripedia 0,11 5,48 0,01 Larvas Crustacea 1,44 27,40 0,94 Huevos indeterminados 0,40 11,64 0,11 Huevos invertebrados 0,43 5,82 0,06 Otros zooplancteres 0,59 16,78 0,24 Huevos E.
Comparative susceptibility to experimental infection with Margaritifera margaritifera (L) (Pelecypoda: Murgaritanidae).
Pelecypoda. In: Cummings ER Beede JW, Fauna of the Salem Limestone.
The distribution and abundance of freshwater mussels of the family Unionidae (Pelecypoda) of the Wabash, White, and East Fork of the White rivers of Indiana.
Se evaluo la concentracion letal media del cromo ([Cr.sup.+6]) usando el bivalvo marino Donax obesulus Reeve 1854 (Pelecypoda: Donacidae) a las 24 h, 48 h y 96 h de exposicion, tambien fue estudiada la capacidad de enterramiento de D.
7.49 9.22 29.36 10.93 Mollusca Polyplacophora 2.12 0.22 10.09 0.53 Pelecypoda 2.54 4.31 14.68 2.28 Nassarius spp.
Freshwater Sphaeriacean Clams (Mollusca: Pelecypoda) of North America.
Spatial and temporal structure in a temperate intertidal community, with special emphasis on Gemma gemma (Pelecypoda, Mollusca).
Avaliacao de impactos da construcao da Via Expressa SC-Sul sobre o berbigao Anomalocardia brasiliana (Gmelin, 1791) (Mollusca: Pelecypoda) na Reserva Extrativista Marinha do Pirajubae (Florianopolis, SC--Brasil).