A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia).    From Wordnik.com.  [Archive 2006-07-01] Reference

Plesiosauria, extended, through the secondary period, probably over the greater part of the globe.    From Wordnik.com.  [On the Genesis of Species] Reference

Cretaceous Ichthyosauria, Plesiosauria, or Pterosauria less embryonic, or more differentiated, species than those of the.    From Wordnik.com.  [Essays] Reference

The English Upper Jurassic Plesiosauroidea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria.    From Wordnik.com.  [Archive 2006-07-01] Reference

But the Amphibia and Plesiosauria, though not themselves primitive vertebrate types, may be thought by some to have derived their limb-structure by direct descent from such.    From Wordnik.com.  [On the Genesis of Species] Reference

The Plesiosauria -- those extinct marine reptiles of the Secondary period, with long necks, small heads, and paddle-like limbs -- are of yet higher organization than are the efts and other Amphibia.    From Wordnik.com.  [On the Genesis of Species] Reference

Ichthyosauria, Plesiosauria, or Pterosauria less embryonic, or more differentiated, species than those of the Lias?.    From Wordnik.com.  [Lectures and Essays] Reference

6, Plesiosauria.    From Wordnik.com.  [The Common Frog] Reference

Plesiosauria, Pterosauria, Dinosauria, and perhaps another or two.    From Wordnik.com.  [Essays] Reference

Reptilia, viz. the Ichthyosauria, Plesiosauria, Pterosauria, Dinosauria, and perhaps another or two.    From Wordnik.com.  [Lectures and Essays] Reference