Zoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills.
Botany. having two valves
, as a seedcase.
Zoology. having two shells, usually united by a hinge.
having two similar parts hinged together.
Bivalvia, in previous centuries referred to as the Lamellibranchiata and
Pelecypoda, is a class of marine and freshwater molluscs that have laterally
Bivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external
covering that is a two-part hinged shell that contains a soft-bodied invertebrate.
Bivalve (class Bivalvia), any of more than 15000 species of clams, oysters,
mussels, scallops, and other members of the phylum Mollusca characterized by a
(Bivalvia) are a group of molluscs that include clams, scallops, oysters, mussels, razor shells, cockles, venus shells, borers, trough shells and many others (some of which have yet to be identified). The shells of a bivalve
are made up of two halves that are ... More »
Marine Species Identification Portal: information on thousands of different
species in the world's oceans and seas.
Anyone that has ever slurped down an oyster, worn a pearl around their neck, or
enjoyed the half-shells found on the beach has come into contact with bivalves.
Overview. The Bivalve Class. This class (formerly, Pelecypoda or
Lamellibranchia) is the second largest among the molluscs. It has about 10,000
living species, ...
This laboratory discusses two classes of molluscs: the bivalves and rostroconchs;
of which the bivalves have the most robust fossil record. Although these two ...
Bivalves exclusively live in water, only it has happened several times in evolution
that bivalve groups managed to adapt to life in fresh water, which is why today ...