Crotaphytus is a genus of lizards commonly known as collared lizards. They are a genus of small to medium-sized predators indigenous to arid environments of the southwestern regions of North America.

Crotaphytus collaris
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Crotaphytidae
Genus: Crotaphytus
Holbrook, 1842

Species and subspecies

The following species and subspecies are recognized as being valid.[1]

Nota bene: A binomial authority in parentheses or a trinomial authority in parentheses indicates that the species or subspecies was originally described in a genus other than Crotaphytus.


In 1969, Oklahoma designated its first state reptile when it chose the collared lizard.[2]



  1. "Crotaphytus ". The Reptile Database.
  2. Shearer 1994, p. 309
  • Holbrook JE (1842). North American Herpetology; or, A Description of the Reptiles Inhabiting the United States. Vol. II. (Second edition). Philadelphia: J. Dobson. 142 pp. (Crotaphytus, new genus, p. 79).
  • Shearer, Benjamin F.; Shearer, Barbara S. (1994). State Names, Seals, Flags, and Symbols (2nd ed.). Westport, Connecticut: Greenwood Publishing Group. ISBN 0-313-28862-3.