entomostracan

noun

1. any crustacean belonging to the former subclass Entomostraca.

adjective

2. of or belonging to this subclass.

noun

1. any small crustacean of the group (formerly subclass) Entomostraca, including the branchiopods, ostracods, and copepods

adjective

2. of, relating to, or belonging to the Entomostraca