List of the Mesozoic life of Utah List of the Cenozoic life of Colorado Afairiguana Paleochelco Ptilotodon Pumilia Hoyalacerta Archaeovaranus Paramacellodus Pelsochamops Pyrenasaurus Bharatagama Chromatogenys Spathorhynchus Gobekko Chamops Dryadissector Stenoplacosaurus Catactegenys Desertiguana Dyticonastis Calanguban Helodermoides Sciroseps Isodontosaurus Suzanniwana Jucaraseps Monstersauria Atokasaurus Pleurodontagama Sharovisaurus Myrmecodaptria Barbatteiidae Palaeosaniwa Heterodontagama Paramacellodidae Geiseltaliellus Uquiasaurus Sineoamphisbaena Archaerhineura Xihaina Barbatteius Indiagama Dalinghosaurus Anolbanolis Pe…

eltosaurus Lapitiguana Cryptobicuspidon Oardasaurus Hyporhina Odaxosaurus Asprosaurus Distortodon Priscagamidae Tetrapodophis Paraplacosauriops Carusia Norellius Ototriton Becklesius Chometokadmon Polrussia Chthonophis Liushusaurus Armandisaurus Anchaurosaurus Babibasiliscus Phrynosomimus Mimeosaurus Suratagama Anniealexandria Pristiguana Bicuspidon Huehuecuetzpalli Xianglong Pariguana Meyasaurus Yabeinosaurus Socognathus Priscagama Gueragama Macrorhineura Magnuviator

Arretosauridae Polyglyphanodontia Hoburogekko Cretaceogekko Gilmoreteius Kuwajimalla Polyglyphanodon Gobiguania Retinosaurus Igua Saichangurvel Glyptosaurinae Mosasauria Coniophis Barbaturex Squamata