Is a Bivalves a Mollusk?

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. A roughfile clam from the Flower Garden Bank National Marine Sanctuary—just one of many different bivalve mollusk species. ... Bivalves even make their own shells.

What is the difference between a mollusk and a bivalve?

is that mollusc is a soft-bodied invertebrate of the phylum mollusca, typically with a hard shell of one or more pieces while bivalve is any mollusc belonging to the taxonomic class bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster.

What are the 3 classes of mollusks?

The three major groups of mollusks are gastropods, bivalves, and cephalopods (SEF ul o pods). The largest group is the gastropods. These are mollusks like snails and slugs that have just one shell or no shell at all. Gastropods creep along on their broad foot.