bivalve

(redirected from Bivalvia)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to Bivalvia: Pelecypoda, class Bivalvia

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 ?
Part N, Revised, Volume 1, Chapter 31: Illustrated Glossary of the Bivalvia.
Phylum Taxa Brava Navegantes Total Beach Beach Annelida Capitellidae 8 114 122 Paraonidae 42 11 53 Lumbrineridae 35 0 35 Spionidae 25 5 30 Onuphidae 25 1 26 Mageloniidae 17 2 19 Orbiniidae 7 0 7 Pilargidae 4 2 6 Oweniidae 4 1 5 Goniadidae 3 0 3 Nereidae 3 0 3 Ampharetidae 1 0 1 Flabelligeridae 1 0 1 Glyceridae 1 0 1 Magelona 1 0 1 variolamellata Poecilochaetidae 1 0 1 Sigalionidae 1 0 1 Sigambra 1 0 1 Arthropoda Amphipoda 137 3 140 Cumacea 13 11 24 Brachyura 7 0 7 Decapoda 3 0 3 Tanaidacea 2 0 2 Echinodermata Ophiuroidea 1 0 1 Enteropneusto Enteropneusto 1 0 1 Mollusca Bivalvia 15 44 59 Gastropoda 3 1 4 Heleobia 1 0 1 Nemertea Nemertea 7 2 9 Total 362 195 557 Table 2.
2]) of bivalvia was found at station S-2B and minimum (311 Ind.
Three groups of macrozoobenthos have been found--Oligochaeta, Chironomidae maggots and Bivalvia.
Outside the Bivalvia, calcified spikes are known to occur in the cuticles of Aplacophora and Polyplacophora.
If distinct gender-associated mitotypes are the norm for species that represent the major higher taxa within the Bivalvia and are absent from other molluscan classes, the hypothesis of an ancient ([greater than] 500 M.
The following species of Bivalvia have been recorded for the first time for Peruavian waters: Adrana sowerbyana (Orbigny, 1845); Malletia goniura Dall, 1890; Mytilus strigatus Hanley, 1843; Leiosolenus spatiosa (Carpenter, 1857); Pinna rugosa G.
PALABRAS CLAVE / Bivalvia / Perna viridis / Produccion Especifica / Venezuela /
Vertical distribution, segregation by size and recruitment of the yellow clam Mesodesma mactroides Deshayes, 1854 (Mollusca, Bivalvia, Mesodesmatidae) in exposed sandy beaches of the Rio Grande do Sul state, Brazil.
The distribution of calcitic shell layers within the Bivalvia is interesting.