bivalve

Adjective
  1. Used of mollusks having two shells (as clams etc.) (synset 302493586)
    referred to in: zoological science, zoology - the branch of biology that studies animals
    similar to: lamellibranch, pelecypod, pelecypodous - bivalve
    same as: bivalved
Noun
  1. Marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together (synset 101958574)
    is a type of: mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
    subtypes:
    • clam - burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness
    • cockle - common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
    • oyster - marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
    • ark shell - marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
    • blood clam - red-blooded clam
    • mussel - marine or freshwater bivalve mollusk that lives attached to rocks etc.
    • escallop, scallop, scollop - edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions
    • piddock - marine bivalve that bores into rock or clay or wood by means of saw-like shells
    belongs to: bivalvia, class bivalvia, class lamellibranchia, class pelecypoda, lamellibranchia - oysters; clams; scallops; mussels
    same as: lamellibranch, pelecypod

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