Definition of archosauria Archosauria

We found 2 definitions of archosauria from 2 different sources.

What does archosauria mean?

Noun
archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
		subclass Archosauria
		class elegance in dress or behavior; "she has a lot of class"
		class reptilia, reptilia class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
		archosaur, archosaurian, archosaurian reptile extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
		genus saurosuchus, saurosuchus early archosaurian carnivore
		genus proterochampsa, proterochampsa early archosaurian carnivore
		crocodilia, crocodylia, order crocodilia, order crocodylia crocodiles; alligators; caimans; gavials
		order ornithischia, ornithischia extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
		order saurischia, saurischia extinct terrestrial reptiles: theropods (carnivorous); sauropods (herbivorous)
		order pterosauria, pterosauria extinct flying reptiles: pterosaurs
		order thecodontia, thecodontia extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic
		ichthyosauria, order ichthyosauria extinct marine reptiles: ichthyosaurs