Articulata

Articulata, (1) one of the four great divisions made by Cuvier of the animal kingdom; it included the Arthropoda and Vermes. (2) The order of Brachiopoda, in which the valves of the shell are attached to one another by a hinge and teeth; it includes the great majority of the class. (3) A term once used in the subdivision of the orders of the Bryozoa.