Gastropod - Wikipedia The word gastropod comes from Greek γαστήρ (gastḗr 'stomach') and πούς (poús 'foot'), a reference to the fact that the animal's "foot" is positioned below its guts [7] The earlier name "univalve" means one valve (or shell), in contrast to bivalves, such as clams, which have two valves or shells
Univalves and Bivalves - Dana Point Fish Company A mollusk with a univalve shell typically has a foot and head that live inside the shell, and can extend or retract outside or inside the shell Univalves can live in the water or outside the water
Valve (mollusc) - Wikipedia The great majority of shelled gastropods or snails have a shell in one part, hence the older name "univalve" The gastropod operculum, when present, even when it is composed mostly of calcium carbonate, is not considered to be a valve
Univalves Definition and Examples - Biology Online Dictionary Univalves univalve (Science: zoology) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods
univalve - Wiktionary, the free dictionary Adjective univalve (not comparable) having one valve; typically used to refer to mollusks, notably slugs and snails consisting of a single valve or piece, used to refer to a shell