'Sauropterygia' definitions:
Definition of 'Sauropterygia'
From: WordNet
noun
Extinct marine reptiles: plesiosaurs; nothosaurs [syn: Sauropterygia, order Sauropterygia]
Definition of 'Sauropterygia'
From: GCIDE
- Sauropterygia \Sau*rop`te*ryg"i*a\, n. pl. [NL., fr. Gr. ? a lizard + ?, ?, a wing.] (Paleon.) Same as Plesiosauria. [1913 Webster]
Definition of 'Sauropterygia'
From: GCIDE
- Plesiosauria \Ple`si*o*sau"ri*a\, n. pl. [NL. See Plesiosaurus.] (Paleon.) An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms; -- called also {Sauropterygia}. [1913 Webster]