1. primitive reptile having no opening in the temporal region of the skull; all extinct except turtles; [syn: anapsid, anapsid reptile]
WordNet (r) 3.0 (2006):
anapsid reptile
n 1: primitive reptile having no opening in the temporal region
of the skull; all extinct except turtles [syn: anapsid,
anapsid reptile] [ant: diapsid, diapsid reptile]