Crotaphytidae

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Crotaphytidae
Collared Lizard 2.jpg
Crotaphytus collaris
Scientific classification edit
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. They are very fast-moving animals, with long limbs and tails, and are carnivorous, feeding mainly on insects and smaller lizards.

The two genera contain 12 species.

Technical characters[edit]

  • Femoral pores present
  • Interparietal scale small (distinctly smaller than ear opening)
  • Never have an enlarged midorsal 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[edit]

Genus Gambelia Baird, 1859[4] (leopard lizards)

Genus Crotaphytus Holbrook, 1842[4] (collared lizards)

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

References[edit]

  1. ^ Townsend; Mulcahy; Noonan; Sites Jr; Kuczynski; Wiens; Reeder (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.
  2. ^ Wiens; Hutter; Mulcahy; Noonan; Townsend; Sites Jr.; Reeder (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. PMC 3497141.
  3. ^ Pyron; Burbrink; Wiens (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.
  4. ^ a b Dahms Tierleben. www.dahmstierleben.de/systematik/Reptilien/Squamata/Iguania/crotaphytidae.
  5. ^ "Gambelia ". The Reptile Database. www.reptile-database.org.
  6. ^ "Crotaphytus ". The Reptile Database. www.reptile-database.org.

Further reading[edit]

  • 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).