Phrynosomatidae

Phrynosomatidae; Temporal range: Late Cretaceous to recent, 85–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Emerald swift (Sceloporus malachiticus)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Clade:	Pleurodonta
Family:	Phrynosomatidae; Fitzinger, 1843
Genera
	Callisaurus; Cophosaurus; †Desertiguana; Holbrookia; Petrosaurus; Phrynosoma; Sceloporus; Uma; Urosaurus; Uta

The Phrynosomatidae are a diverse family of lizards, sometimes classified as a subfamily (Phrynosomatinae), found from Panama to the extreme south of Canada. Many members of the group are adapted to life in hot, sandy deserts, although the spiny lizards prefer rocky deserts or even relatively moist forest edges, and the short-horned lizard lives in prairie or sagebrush environments. The group includes both egg-laying and viviparous species, with the latter being more common in species living at high elevations.^[2]

The earliest fossil remains of this group are known from the Late Cretaceous of Mongolia and belong to the genus Desertiguana.^[3] As phrynosomatids are only known from North America, these remains indicate that phrynosomatids likely had a wider distribution in prehistoric times.

Genera

The Phrynosomatidae are organised into nine genera.

The earless taxa (Cophosaurus and Holbrookia) are sister genera.

Family Phrynosomatidae

Callisaurus Blainville, 1835 – zebra-tailed lizards
Cophosaurus Troschel, 1852 – greater earless lizards
Holbrookia Girard, 1851 – earless lizards
Petrosaurus Boulenger, 1885 – California rock lizards
Phrynosoma Wiegmann, 1828 – horned lizards
Sceloporus Wiegmann, 1828 – spiny lizards (or sator^[4])
Uma Baird, 1859 – fringe-toed lizards
Urosaurus Hallowell, 1854 – tree and brush lizards
Uta Baird & Girard, 1852 – side-blotched lizards

References

^ Wikispecies.
^ Bauer, Aaron M. (1998). Cogger, H.G.; Zweifel, R.G. (eds.). Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 142–144. ISBN 0-12-178560-2.
^ "Fossilworks: Desertiguana". Paleobiology Database. Archived from the original on 2023-10-31. Retrieved 2022-07-20.
^ Reeder, Tod W.; Wiens, John J. (1996). "Evolution of the Lizard Family Phrynosomatidae as Inferred from Diverse Types of Data". Herpetological Monographs. 10: 43–84. doi:10.2307/1466980. ISSN 0733-1347. JSTOR 1466980.

External links

Data related to Phrynosomatidae at Wikispecies
Media related to Phrynosomatidae at Wikimedia Commons
Phrynosomatidae Family

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[1] Wikispecies.

[EoR-2] Bauer, Aaron M. (1998). Cogger, H.G.; Zweifel, R.G. (eds.). Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 142–144. ISBN 0-12-178560-2.

[3] "Fossilworks: Desertiguana". Paleobiology Database. Archived from the original on 2023-10-31. Retrieved 2022-07-20.

[4] Reeder, Tod W.; Wiens, John J. (1996). "Evolution of the Lizard Family Phrynosomatidae as Inferred from Diverse Types of Data". Herpetological Monographs. 10: 43–84. doi:10.2307/1466980. ISSN 0733-1347. JSTOR 1466980.

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