Bivalvia

(redirected from Pinnacea)
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Noun1.Bivalvia - oystersBivalvia - oysters; clams; scallops; mussels  
Mollusca, phylum Mollusca - gastropods; bivalves; cephalopods; chitons
bivalve, lamellibranch, pelecypod - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
spat - a young oyster or other bivalve
family Tridacnidae, Tridacnidae - large marine hard-shell clams
Cardiidae, family Cardiidae - somewhat heart-shaped sand-burrowing bivalve mollusks
family Pteriidae, Pteriidae - pearl oysters
Anomiidae, family Anomiidae - saddle oysters
genus Placuna, Placuna - windowpane oysters
Arcidae, family Arcidae - ark shells
family Mytilidae, Mytilidae - marine mussels
family Unionidae, Unionidae - freshwater mussels found worldwide
family Pholadidae, Pholadidae - a family of Bivalvia
class - (biology) a taxonomic group containing one or more orders