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Definitions for
"Bivalvia"
Keywords:
mussels
,
scallops
,
clams
,
oysters
,
mollusks
oysters; clams; scallops; mussels
wordnet.princeton.edu
Bivalves are mollusks belonging to the class Bivalvia. They typically have two-part shells, with both parts being more or less symmetrical. The class has 30,000 species, including scallops, clams, oysters and mussels.
en.wikipedia.org