Crotaphytidae

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Crotaphytidae
Crotaphytus collaris
Scientific classification Edit this classification
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

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
Gambelia Baird, 1859[6][7] (leopard lizards)
  • Yarrow
    , 1882)
  • Stejneger
    , 1890)
  • long-nosed leopard lizard – Gambelia wislizenii (Baird & Girard
    , 1852)
Crotaphytus Holbrook, 1842[6][8] (collared lizards)

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

References

  1. PMID 21787873
    .
  2. .
  3. .
  4. .
  5. .
  6. ^ a b 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