The Redonda Formation is a geologic formation exposed in eastern New Mexico. It contains vertebrate fossils of the late Triassic Period. Fossil theropod tracks have been reported from the formation.
Semionotus
Apachesaurus
Vancleavea
The Cooper Canyon Formation is a geological formation of Norian age in Texas and New Mexico. It is one of several formations encompassed by the Dockum Group.
Buettnererpeton bakeri
Poposaurus gracilis
Postosuchus kirkpatricki
Scutarx deltatylus