Meaning of SUBCLASS ANAPSIDA

WordNet Dictionary
	Definition:		[n]  oldest known reptiles: turtles; extinct Permian forms
	Synonyms:		Anapsida
	See Also:		anapsid, anapsid reptile, Chelonia, class, class Reptilia, order Chelonia, order Testudinata, order Testudines, Reptilia, Testudinata, Testudines