†family Phrynosomatidae Fitzinger 1843 (squamates)
Reptilia - Squamata - Phrynosomatidae
Parent taxon: Pleurodonta according to S. G. Scarpetta 2019
See also Alifanov 2000 and Conrad and Norell 2007
Sister taxa: Bifurcodentodon, Caeruleodentatus, Corytophanidae, Crotaphytidae, Erichosaurus bombimaxila, Erichosaurus debilis, Erichosaurus diminutus, Gobiguania, Hoplocercidae, Igua, Iguanidae, Kopidosaurus, Polychrotidae, Thecaglossa, Tropiduridae, Typhlophthalmi
Subtaxa: Desertiguana Uma
Ecology: planktonic suspension feeder
Distribution:
• Quaternary of United States (1: California collection)
• Miocene of United States (3: California, Wyoming)
• Cretaceous of Mongolia (1)
Total: 5 collections including 6 occurrences