One of several jointed-legged groups of animals that comprise the Arthopoda. Crustaceans have no particular set body pattern, as do the insects and spiders, often form a shell or carapace rich in calcium and are predominantly aquatic. They include the water fleas, copepods and mysids.
CRUSTACEA
Meaning of CRUSTACEA in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012