†unranked clade Borioteiioidea Nydam et al. 2007 (squamates)

Reptilia - Squamata

Full reference: R. L. Nydam, J. G. Eaton, and J. T. Sankey. 2007. New taxa of transversely-toothed lizards (Squamata: Scincomorpha) and new information on the evolutionary history of "teiids". Journal of Paleontology 81(3):538-549

Parent taxon: Polyglyphanodontia according to J. C. de Carvalho and R. M. Santucci 2023

See also Nydam et al. 2007

Sister taxa: Obamadon, Polyglyphanodontidae

Subtaxa: Chamopsiidae Cryptobicuspidon Hydrargysaurus Kuwajimalla

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• Clarkforkian of United States (1: Montana collection)

• Paleocene of United States (1: Montana)

• Cretaceous of Brazil (1), Canada (30: Alberta, Saskatchewan), Hungary (1), Japan (1), Mexico (1), United States (50: Colorado, Montana, New Jersey, New Mexico, South Dakota, Texas, Utah, Wyoming)

Total: 86 collections including 142 occurrences

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