'Pelicosauria' definitions:

Definition of 'Pelicosauria'

From: GCIDE

Pelicosauria \Pel`i*co*sau"ri*a\, n. pl. [NL., fr. Gr. peli`ka a wooden bowl (but taken to mean, pelvis) + say^ros a lizard.] (Paleon.) A suborder of Theromorpha, including terrestrial reptiles from the Permian formation. [1913 Webster]