cladoceran

noun

1. any or several small, transparent crustaceans of the order Cladocera, having the body covered by a bivalve shell from which the head and antennae extend.

adjective

2. Also cla·doc·er·ous [kluh–dos-er-uh s] /kləˈdɒs ər əs/. belonging or pertaining to the Cladocera.

noun

1. any minute freshwater crustacean of the order Cladocera, which includes the water fleas

adjective

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