Venerable collared lizard

Venerable collared lizard
Crotaphytus antiquus (top: male; bottom: female)
Conservation status
Endangered  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Family:	Crotaphytidae
Genus:	Crotaphytus
Species:	C. antiquus
Binomial name
Crotaphytus antiquus Axtell & Webb, 1995

The venerable collared lizard (Crotaphytus antiquus) is a species of lizard in the family Crotaphytidae. The species is native to northern Mexico.

Geographic range

C. antiquus is restricted to the area of Sierra San Lorenzo, Sierra Texas, and Sierra Solis in extreme southwestern Coahuila state.[1]

Reproduction

C. antiquus is oviparous.[2]

Conservation status

C. antiquus is classified as Endangered (EN) on the IUCN Red List.[3] Major threats to the population include habitat degradation, mainly due to gravel extraction for building materials in nearby urban areas.

References

1. McGuire, Jimmy A. (1996). "Phylogenetic Systematics of Crotaphytid Lizards (Reptilia: Iguania: Crotaphytidae)". Bulletin of Carnegie Museum of Natural History (32): iv + 1-143, 52 figures. (Crotaphytus antiguus, pp. 69-72).
2. Species Crotaphytus antiquus at The Reptile Database www.reptile-database.org.
3. Lemos-Espinal, Julio A.; Smith, Geoffrey R. (2016). "Amphibians and reptiles of the state of Coahuila, Mexico, with comparison with adjoining states". Zookeys 593: 117-137.

Further reading

• Axtell, Ralph W.; Webb, Robert G. (1995). "Two new Crotaphytus from southern Coahuila and the adjacent states of east-central Mexico". Bulletin of the Chicago Academy of Sciences 16 (2): 1–15. (Crotaphytus antiquus, new species).