'Enaliosauria' definitions:

Definition of 'Enaliosauria'

From: GCIDE

Enaliosauria \En*al`i*o*sau"ri*a\, n. pl. [NL., from Gr. ? marine (? in + ? the sea) + ? a lizard.] (Paleon.) An extinct group of marine reptiles, embracing both the Ichthyosauria and the Plesiosauria, now regarded as distinct orders. [1913 Webster]