Cooper Canyon Formation - AbsoluteAstronomy.com

Vertebrate fauna

Archosaur Archosaur Archosaurs are a group of diapsid amniotes whose living representatives consist of modern birds and crocodilians. This group also includes all extinct non-avian dinosaurs, many extinct crocodilian relatives, and pterosaurs. Archosauria, the archosaur clade, is a crown group that includes the most... s of the Cooper Canyon Formation
Taxa	Presence	Notes	Images
Genus: Poposaurus Poposaurus Poposaurus is a genus of reptile from the Late Triassic of the southwestern United States. It was a crurotarsan archosaur which lived in what is now Wyoming, Utah, Arizona and Texas. The type species, Poposaurus gracilis, was described by M. G. Mehl in 1915. The second species, P... Poposaurus langstoni			Ilium
Infraorder: ?Prosauropoda Indeterminate remains.
Suborder: Theropoda Theropoda Theropoda is both a suborder of bipedal saurischian dinosaurs, and a clade consisting of that suborder and its descendants . Dinosaurs belonging to the suborder theropoda were primarily carnivorous, although a number of theropod groups evolved herbivory, omnivory, and insectivory... Indeterminate remains.
Genus: Technosaurus Technosaurus Technosaurus is an extinct genus of Late Triassic archosauriform, perhaps a dinosauriform similar to Silesaurus, from the Norian age Upper Triassic Bull Canyon Formation of Texas... Technosaurus smalli		"Dentary."

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