Crotaphytus nebrius

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 nebrius
Name

Crotaphytus nebrius Axtell & Montanucci, 1977
References
Links

Uetz, P. & Hallermann, J. 2022. Crotaphytus nebrius. The Reptile Database. Accessed on 18 October 2019.
Hammerson, G.A., Frost, D.R. & Gadsden, H. 2007. IUCN: Crotaphytus nebrius (Least Concern). The IUCN Red List of Threatened Species 2007: e.T64011A12734994. DOI: 10.2305/IUCN.UK.2007.RLTS.T64011A12734994.en

Vernacular names
English: Sonoran Collared Lizard

The Sonoran collared lizard (Crotaphytus nebrius) is a species of lizard in the family Crotaphytidae. The species is endemic to the U.S. state of Arizona and the Mexican state of Sonora.

Description

C. nebrius is a grayish-yellow with grayish-white spots, which are large down the middle of the body, and small on the sides.
Behavior

Adults of C. nebrius are primarily active during spring and summer; the juveniles can be active until November.[2]
Reproduction

C. nebrius is oviparous.[1]
References

"Crotaphytus nebrius ". The Reptile Database. www.reptile-database.org.

Stebbins RC (2003). A Field Guide to Western Reptiles and Amphibians, Third Edition. The Peterson Field Guide Series ®. Boston and New York: Houghton Mifflin Company. xiii + 533 pp., 56 plates, 39 figures, 204 maps. ISBN 978-0-395-98272-3. (Crotaphytus nebrius, p. 274 + Plate 27 + Map 85).

Further reading

Axtell, Ralph W.; Montanucci, Richard R. (1977). "Crotaphytus collaris from the eastern Sonoran Desert: description of a previously unrecognized geographic race". Natural History Miscellanea, Chicago Academy of Sciences (201): 1–8. (Crotaphytus collaris nebrius, new subspecies).
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 nebrius, new combination, pp. 88-92 + Figures 31A, 34).