lyopomata

from The Century Dictionary.

• An order of Brachiopoda, one of two into which the class is usually divided, the other being Arthropomata. Formerly called Inarticulata.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) An order of brachiopods, in which the valves of shell are not articulated by a hinge. It includes the Lingula, Discina, and allied forms.