Pareiasauridae

Pareiasauridae

[pə′rī·ə′sȯr·ə′dē]
(paleontology)
A family of large, heavy-boned terrestrial reptiles of the late Permian, assigned to the order Cotylosauria.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.