0 a type of mollusc, such as an oyster, that has its body inside two connected shells:
1 having a body inside two connected shells:
a bivalve mollusc
Scallops are mobile and can escape pollutants that immobile bivalves like mussels, clams and oysters cannot avoid.
The zebra mussel, a black-and-white striped bivalve, is a highly invasive species.
At the oyster processing plant, employees on mounted platforms shucked bivalves by the dozens.
Mussels are bivalve animals, while gastropods like snails and limpets have one shell.
The plovers eat worms, various crustaceans, insects, and occasionally bivalve mollusks.
There are species that live in the sea and never move, such as bivalve molluscs.
Apart from biological papers on living bivalves, evolutionary biology in this volume mostly seems to mean phylogeny.
