Arizona

• Black Prince Limestone Formation, Arizona, Upper Carboniferous (Westphalian A-B; Late Morrowan or earliest Derryan; Bashkirian)
  • cf Gnathorhiza serrata (Dipnoi Lepidosirenidae)
  • Ophiderpeton swisshelmense (Lepospondyli Aistopoda Ophiderpetontidae)
  • Arizonerpeton wellsi (Lepospondyli Nectridea) vertebrae
  • Ptyonius olisthmonaias (Lepospondyli Nectridea Urocordylidae)
  • Elfridia bulbidens (Lepospondyli Microsauria Gymnarthridae)
• Tecovas Formation, Chinle Group, Texas & Arizona, Upper Triassic (Carnian)
  • Camposaurus arizonensis (Theropoda Coelophysoidea) nomen dubium
• Chinle Formation, Arizona and New Mexico, Upper Triassic (Latest Carnian-Early Norian)
• Note: Placerias Quarry is part of the Mesa Redondo Member
  • Lonchidion humblei (Elasmobranchi Polyacrodontidae) Mesa Redondo Member
  • Triodus moorei (Elasmobranchi Xenacanthidae) Mesa Redondo Member
  • Apachesaurus gregorii (Temnospondyli Metoposauridae) Petrified Forest Member, Mesa Redondo Member
  • Buettnerei perfecta (Temnospondyli Metoposauridae) Mesa Redondo Member
  • Tecovasaurus murryi (Diapsida) Mesa Redondo Member
  • Uatchitodon schneideri (Diapsida) Mesa Redondo Member
  • Vancleavea campi (Diapsida) Mesa Redondo Member, Petrified Forest Member
  • Trilophosaurus jacobsi (Trilophosauria) Mesa Redondo Member
  • Placerias hesternus (Synapsida Kannemeyeriidae) Mesa Redondo Member
  • Hesperosuchus agilis (Crocodylomorpha Sphenosuchia Sphenosuchidae)
  • Parrischia maccreai (Crocodylomorpha Sphenosuchia Sphenosuchidae) Mesa Redondo Member
  • Dromomeron gregorii (Dinosauromorph) Mesa Redondo Member
  • Shuvosaurus inexpectatus (Archosauria) Petrified Forest Member, Mesa Redondo Member
  • Revueltosaurus hunti (Archosauria) Mesa Redondo Member
  • Revueltosaurus callanderi (Archosauria) Petrified Forest Member
  • Postosuchus kirkpatricki (Rauisuchia) Mesa Redondo Member
  • Poposaurus gracilis (Poposauria) Mesa Redondo Member
  • Desmatosuchus spurensis (Aetosauria) Mesa Redondo Member
  • Acaenasuchus geoffreyi (Aetosauria) Mesa Redondo Member
  • Stagonolepis wellesi (Aetosauria) Mesa Redondo Member
  • Adamanasuchus eisenhardtae (Aetosauria) Mesa Redondo Member
  • Typothorax coccinarum (Aetosauria) Petrified Forest Member
  • Leptosuchus admanensis (Phytosauria) Mesa Redondo Member
  • Chindesaurus bryansmalli (Herrerasauria) Petrified Forest Member
• Moenave Formation, Arizona, Lower Jurassic (Hettangian?)
  • Protosuchus richardsoni (Crocodylomorpha Protosuchia Protosuchidae)
• Kayenta Formation, Lower Jurassic [Hettangian-Sinemurian-Plienbaschian]
  • Eocaecilia micropodia (Lissamphibia Gymnophonia Eocaeciliidae)
  • Prosalirus bitis (Lissamphibia Salientia Notobatrachidae) Plienb.
  • Kayentachelys aprix (Chelonia Cryptodira Kayentachelyidae) Plienb.
  • Kayentatherium wellesi (Therapsida Cynodontia Cynognathia Tritylodontidae) Sinem.-Plienb.
  • Oligokyphus sp. (Therapsida Cynodontia Cynognathia Tritylodontidae) Sinem.-Plienb. Teeth and cranial remains
  • Dinnebitodon amarali (Therapsida Cynodontia Cynognathia Tritylodontidae) Plienb.
  • Kayentasuchus walkeri (Crocodylomorpha Sphenosuchia Sphenosuchidae)
  • Eopneumatosuchus colberti (Crocodylomorpha)
  • Calsoyasuchus valliceps (Crocodylomorpha Goniopholidiae) Sinem.-Plienb.
  • Ramphinion jenkinsi (Pterosaur Rhamphorhynchoid) Plienb.
  • Sarahsaurus aurifontanalis (Sauropodomorpha) Sinem. - Plienb.
  • Scutellosaurus lawleri (Thyreophora) Hett.-Sinem.
  • Megapnosaurus kayentakatae (Theropod Coelophysoidea) Sinem.-Plienb.
  • Dilophosaurus wetherilli (Theropod Dilophosauridae) Sinem.-Plienb.
• Navajo Sandstone Formation, Glen Canyon Group, Lower Jurassic [Plienbaschian-Toarcian]
  • ? Ammosaurus major (Sauropodomorph Anchisauria Anchisauridae)
  • Segisaurus halli (Theropod Coelophysoidea)
• Turney Ranch Formation, Arizona, Lower-Upper Cretaceous [Albian-Cenomanian]
  • Sonorasaurus thompsoni (Sauropoda Macronaria Brachiosauridae)