Biology:Crotaphytidae

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Short description: Family of lizards

Crotaphytidae
Collared Lizard 2.jpg
Crotaphytus collaris
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Clade: Pleurodonta
Family: Crotaphytidae
H.M. Smith & Brodie, 1982
Genera

Crotaphytus
Gambelia

The Crotaphytidae, or collared lizards, are a family[1][2][3] of desert-dwelling reptiles native to the Southwestern United States and northern Mexico. Alternatively they are recognized as a subfamily, Crotaphytinae, within the clade Pleurodonta. They are very fast-moving animals, with long limbs and tails; some species are capable of achieving bipedal running at top speed. This species is carnivorous, feeding mainly on insects and smaller lizards. The two genera contain 12 species.

They may be related to the extinct Arretosauridae of Paleogene Asia due to similar jaw morphologies, though other studies classify the Arretosauridae in Acrodonta with other Old World iguanians.[4][5]

Technical characters

  • Femoral pores present
  • Interparietal scale small (distinctly smaller than ear opening)
  • Never have an enlarged middorsal scale row or fringe
  • Never have a divided rostral scale
  • No bony spines or projecting ridges on their heads
  • No scales projecting over their ears, and no scales forming a prominent fringe on sides of toes as in Phrynosomatidae

Species

Image Genus Living species
Long-nosed Leopard Lizard (8043739603) (cropped).jpg Gambelia Baird, 1859[6][7] (leopard lizards)
  • Cope's leopard lizard – Gambelia copeii (Yarrow, 1882)
  • blunt-nosed leopard lizardGambelia sila (Stejneger, 1890)
  • long-nosed leopard lizard – Gambelia wislizenii (Baird & Girard, 1852)
Collared Lizard Closeup.jpg Crotaphytus Holbrook, 1842[6][8] (collared lizards)
  • venerable collared lizardCrotaphytus antiquus Axtell & Webb, 1995
  • desert collared lizard – Crotaphytus bicinctores N.M. Smith & W.W. Tanner, 1972
  • common collared lizard – Crotaphytus collaris (Say, 1823)
  • Dickerson's collared lizard – Crotaphytus dickersonae K.P. Schmidt, 1922
  • Grismer's collared lizard – Crotaphytus grismeri McGuire, 1994
  • Eastern collared lizard – Crotaphytus insularis Van Denburgh & Slevin, 1921
  • Sonoran collared lizard – Crotaphytus nebrius Axtell & Montanucci, 1977
  • reticulated collared lizardCrotaphytus reticulatus Baird, 1858
  • Baja collared lizard – Crotaphytus vestigium N.M. Smith & W.W. Tanner, 1972

Nota bene: A binomial authority in parentheses indicates that the species was originally described in different genus.

References

  1. Townsend, Ted M.; Mulcahy, Daniel G.; Noonan, Brice P.; Sites, Jack W. Jr; Kuczynski, Caitlin A.; Wiens, John J.; Reeder, Tod W. (2011). "Phylogeny of iguanian lizards inferred from 29 nuclear loci, and a comparison of concatenated and species-tree approaches for an ancient, rapid radiation". Molecular Phylogenetics and Evolution 61 (2): 363–380. doi:10.1016/j.ympev.2011.07.008. PMID 21787873. 
  2. Wiens, John T.; Hutter, Carl R.; Mulcahy, Daniel G.; Noonan, Brice P.; Townsend, Ted M.; Sites, Jack W. Jr.; Reeder, Tod W. (2012). "Resolving the phylogeny of lizards and snakes (Squamata) with extensive sampling of genes and species". Biology Letters 8 (6): 1043–1046. doi:10.1098/rsbl.2012.0703. PMID 22993238. 
  3. Pyron, R. Alexander; Burbrink, Frank T.; Wiens, John J. (2013). "A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes". BMC Evolutionary Biology 13: 93. doi:10.1186/1471-2148-13-93. PMID 23627680. Bibcode2013BMCEE..13...93P. 
  4. Alifanov, V. R. (2012-07-01). "Lizards of the family Arretosauridae Gilmore, 1943 (Iguanomorpha, Iguania) from the Paleogene of Mongolia" (in en). Paleontological Journal 46 (4): 412–420. doi:10.1134/S0031030112040028. ISSN 1555-6174. Bibcode2012PalJ...46..412A. https://doi.org/10.1134/S0031030112040028. 
  5. Bolet, Arnau; Stubbs, Thomas L; Herrera-Flores, Jorge A; Benton, Michael J (2022-05-03). Zhu, Min; Perry, George H; Zhu, Min. eds. "The Jurassic rise of squamates as supported by lepidosaur disparity and evolutionary rates". eLife 11: e66511. doi:10.7554/eLife.66511. ISSN 2050-084X. PMID 35502582. 
  6. 6.0 6.1 Dahms Tierleben. www.dahmstierleben.de/systematik/Reptilien/Squamata/Iguania/crotaphytidae.
  7. Genus Gambelia at The Reptile Database www.reptile-database.org.
  8. Genus Crotaphytus at The Reptile Database www.reptile-database.org.

Further reading

  • Frost DR, Etheridge RE (1989). A Phylogenetic Analysis and Taxonomy of Iguanian Lizards (Reptilia: Squamata) Univ. Kansas Mus. Nat. Hist. Misc. Publ. 81: 1-62. (Family Crotaphytidae, p. 36).
  • Smith HM, Brodie ED Jr (1982). Reptiles of North America: A Guide to Field Identification. New York: Golden Press. 240 pp. ISBN:0-307-13666-3. (Subfamily Crotaphytinae, p. 106).

Wikidata ☰ Q131974 entry