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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Plesiosauria - any of the plesiosaursPlesiosauria - any of the plesiosaurs    
animal order - the order of animals
order Sauropterygia, Sauropterygia - extinct marine reptiles: plesiosaurs; nothosaurs
genus Plesiosaurus - a reptile genus of suborder Plesiosauria
References in periodicals archive ?
Individual essays cover a wide variety of different reptilians, from crocodyliformes to the birdlike aves to the aquatic plesiosauria.
The English Upper Jurassic Plesiosauroidea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria.