Crotaphytus antiquus

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Cladus: Unidentata Episquamata Toxicofera
Subordo: Iguania
Infraordo: Pleurodonta

Familia: Crotaphytidae
Genus: Crotaphytus
Species: Crotaphytus antiquus
Name

Crotaphytus antiquus Axtell & Webb 1995: 1

Holotype: UTEP 15900, adult ♂, collected by Eric and Ralph Axtell on 22 June 1978.
Type locality: “2.1 km N-1.7 km E Vizcaya (25°46'04" N, 103°11'48" W, el 1100 ± m) in the Sierra Texas, Coahuila, México”.

References
Primary references

Axtell, R.W. & Webb, R.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. Reference page.

Additional references

Flores-Villela, O. & Canseco-Márquez, L. 2004. Nuevas especies y cambios taxonómicos para la herpetofauna de México. Acta Zoologica Mexicana (n.s.) 20(2): 115–144.
Lipfert, J. 2004. Halsbandleguane (die Gattung Crotaphytus). Natur und Tier Verlag: Münster. 64 pp.

Links

Uetz, P. & Hallermann, J. 2022. Crotaphytus antiquus. The Reptile Database. Accessed on 18 October 2019.
Hammerson, G.A., Vazquez Díaz, J., Gadsden. H., Quintero Díaz, G.E., Ponce-Campos, P. & Lavin, P. 2007. IUCN: Crotaphytus antiquus (Endangered). The IUCN Red List of Threatened Species 2007: e.T64005A12733887. DOI: 10.2305/IUCN.UK.2007.RLTS.T64005A12733887.en

Vernacular names
English: Venerable Collared Lizard
español: Lagartija de collar de Torreón

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

Geographic range

C. antiquus is restricted to the area of Sierra San Lorenzo, 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

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).
"Crotaphytus antiquus ". The Reptile Database. www.reptile-database.org.

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.