1. used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria; [syn: Diapsida, subclass Diapsida]
WordNet (r) 3.0 (2006):
subclass Diapsida
n 1: used in former classifications to include all living
reptiles except turtles; superseded by the two subclasses
Lepidosauria and Archosauria [syn: Diapsida, subclass
Diapsida]