ostracod

Any of numerous small chiefly aquatic crustaceans of the class Ostracoda, having a bivalve carapace and including many extinct species that are commonly found as fossils.

Same as ostracode.

A member of the Ostracoda, an order of tiny marine and freshwater crustaceans with a shrimplike body enclosed in a bivalve shell.

Any of many small crustaceans, of the class Ostracoda, that resemble shrimps enclosed in a bivalve shell

tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell