malacostraca's Usage Examples:

To these succeed eight pairs of foliaceous branchial appendages on the front division of the body, followed on the hind division by four pairs of powerful bifurcate swimming feet and two rudimentary pairs, the number, though not the nature, of these appendages being malacostracan.

On the other hand, the two limbless segments that precede the caudal furca are decidedly non-malacostracan.

Synonyms:

order Euphausiacea, order Mysidacea, Mysidacea, malacostracan crustacean, subclass Malacostraca, class, Euphausiacea, order Isopoda, class Crustacea, order Amphipoda, Crustacea, Amphipoda, Decapoda, order Decapoda, Isopoda,

Antonyms:

inelegance,