Lamellibranchia La*mel`li*bran"chi*a, Lamellibranchiata La*mel`li*bran`chi*a"ta, n. pl. [NL. See {lamella}, and {Branchia}, {Branchiate}.] (Zo["o]l.) An earlier name for the class of Mollusca including all those that have bivalve shells, as the clams, oysters, mussels, etc., now called {Pelecypoda} or {Bivalvia}. [1913 Webster +PJC]

Note: They usually have two (rarely but one) flat, lamelliform gills on each side of the body. They have an imperfectly developed head, concealed within the shell, whence they are called {{Acephala}}. Called also {Conchifera}, and {Pelecypoda}. See {Bivalve}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • Bivalvia — Taxobox name = Bivalvia fossil range = Cambrian Recent image width = 250px image caption = Acephala from Ernst Haeckel s Kunstformen der Natur , 1904 regnum = Animalia phylum = Mollusca classis = Bivalvia classis authority = Linnaeus, 1758… …   Wikipedia

  • Bivalvia — La clase Bivalvia (bi = dos; valvia = valva o placa ) tiene unas trece mil especies. Se les encuentra enterrados en fondos blandos infauna, como habitantes fijos de superficie epifauna, o libres sobre la superficie del fondo del mar. También hay… …   Enciclopedia Universal

  • Bivalvia — noun oysters; clams; scallops; mussels • Syn: ↑class Bivalvia, ↑Lamellibranchia, ↑class Lamellibranchia, ↑class Pelecypoda • Hypernyms: ↑class • Member Holonyms: ↑ …   Useful english dictionary

  • Bivalvia — …   Википедия

  • Bivalvia — См. bivalves …   Dictionary of invertebrate zoology

  • Bivalvia — Bivạlvia,   die Muscheln …   Universal-Lexikon

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