Veneracea

from The Collaborative International Dictionary of English v.0.48
Veneracea \Ven`e*ra"ce*a\, prop. n. pl. [NL. See {Venus}.]
   (Zool.)
   An extensive tribe of bivalve mollusks of which the genus
   {Venus} is the type. The shells are usually oval, or somewhat
   heartshaped, with a conspicuous lunule. See {Venus}.
   [1913 Webster]
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