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Bivalve is a class of mollusks with more than 15,000 species of clams, oysters, mussels, and scallops. They have a shell divided into two valves and a hinge, and they feed by filtering water or sediment.
Bivalves are mollusks with a two-halved shell that feed on phytoplankton by pumping water across the gills. Learn about the internal structure, circulatory system, and diversity of bivalves, such as clams, oysters, and scallops.
Learn about bivalves, a diverse and abundant group of mollusks with two shells, from their anatomy, ecology, evolution, and fossil record. Explore interactive 3D models of bivalve specimens and see examples of different types of modern and fossil bivalves.
Learn about the origin, diversity, and ecology of bivalves, a group of mollusks with two shells, from the Cambrian to the present. Explore fossil specimens, reconstructions, and images of bivalves in different habitats and environments.
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Jan 26, 2001 · ADW: Bivalvia: INFORMATION. Bivalvia. Also known as pelecypods, the approximately 15,000 species of this taxon are found in marine and freshwater habitats throughout the world. A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body.
Bivalve mollusks are invertebrates with two-part shells that breathe, feed, and move through their gills. They are diverse, abundant, and economically valuable in the ocean, and play important roles in filtering water and providing habitat.
