We found 1 definitions of order sauropterygia from 1 different sources.
Noun |
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order sauropterygia - extinct marine reptiles: plesiosaurs; nothosaurs | ||
Sauropterygia, order Sauropterygia | ||
animal order the order of animals | ||
archosauria, subclass archosauria a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts | ||
plesiosauria, suborder plesiosauria any of the plesiosaurs |