Proctoporus xestus

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis: Sarcopterygii
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

Subordo: Lacertoidea
Superfamilia: Gymnophthalmoidea

Familia: Gymnophthalmidae
Subfamilia: Cercosaurinae
Tribus: Cercosaurini
Genus: Proctoporus
Species: Proctoporus xestus
Name

Proctoporus xestus (Uzzell, 1969)

Holotype: UMMZ 128835, adult ♂, collected by F.B. Steinbach on March 1929.

Type locality: “Incachaca, Cochabamba, Bolivia, about 2200 m above sea level”.
Combinations

Opipeuter xestus Uzzell, 1969: 4 [original combination]
Proctoporus xestus — Goicoechea et al., 2012: 958 [subsequent combination]

References
Primary references

Uzzell, T. 1969. A new genus and species of Teiid lizard from Bolivia. Postilla 129: 1–15. BHL
Goicoechea, N., Padial, J.M., Chaparro, J.C., Castroviejo-Fisher, S. & de la Riva, I. 2012. Molecular phylogenetics, species diversity, and biogeography of the Andean lizards of the genus Proctoporus (Squamata: Gymnophthalmidae). Molecular Phylogenetics and Evolution 65(3): 953-964. DOI: 10.1016/j.ympev.2012.08.017 Reference page.

Links

Uetz, P. & Hallermann, J. 2022. Proctoporus xestus. The Reptile Database. Accessed on 11 November 2018.
Cacciali, P., Carreira, S., Kacoliris, F., Montero, R., Pelegrin, N., Moravec, J., Lehr, E., Gonzales, L. & Aparicio, J. 2016. IUCN: Proctoporus xestus (Least Concern). The IUCN Red List of Threatened Species 2016: e.T48283802A48283833. DOI: 10.2305/IUCN.UK.2016-1.RLTS.T48283802A48283833.en

Vernacular names
English: River Sun Tegu

Proctoporus xestus, or the river teiid, is a species of lizard in the family Gymnophthalmidae. The species is endemic to South America.

Geographic range

P. xestus occurs from central Peru to Bolivia (Chuquisaca, Cochabamba, and Santa Cruz departments) and northern Argentina (Jujuy, and Salta provinces).[1][2]
Habitat

The preferred natural habitats of P. xestus are Yungas forest and wet montane grassland, at elevations of 1,000–3,600 m (3,300–11,800 ft) above sea level.[1]
Description

P. xestus may attain a snout-to-vent length (SVL) of 5.8 cm (2.3 in). The tail length is almost twice the SVL.[3]
Reproduction

P. xestus is oviparous.[2]
Taxonomy

P. xestus is the type species of the genus Opipeuter Uzzell, 1969, now synonymized with Proctoporus.[2]
References

Cacciali P, Carreira S, Kacoliris F, Montero R, Pelegrin N, Moravec J, Lehr E, Gonzales L, Aparicio J (2016). "Proctoporus xestus ". IUCN Red List of Threatened Species. 2016: e.T48283802A48283833. doi:10.2305/IUCN.UK.2016-1.RLTS.T48283802A48283833.en.
Proctoporus xestus at the Reptarium.cz Reptile Database. Accessed 28 February 2018.

Uzzell (1969).

Further reading

Dirksen L, De la Riva I (1999). "The lizards and amphisbaenians of Bolivia (Reptilia, Squamata): checklist, localities, and bibliography". Graellsia 55: 199–215. (Opipeuter xestus).
Goicoechea, Padial JM, Chaparro JC, Castroviejo-Fisher S, De la Riva I (2012). "Molecular phylogenetics, species diversity, and biogeography of the Andean lizards of the genus Proctoporus (Squamata: Gymnophthalmidae)". Molecular Phylogenetics and Evolution 65 (3): 953–964. (Proctoporus xestus, new combination).
Köhler G, Veselý M (2007). "The hemipenis of Opipeuter xestus (Squamata: Gymnophthalmidae)". Salamandra 43 (1): 49–51.
Lehr E (2003). Amphibien und Reptilien in Peru. Münster: Natur und Tier Verlag. 208 pp. ISBN 978-3931587680. (in German).
Uzzell T (1969). "A New Genus and Species of Teiid Lizard from Bolivia". Postilla (129): 1–15. (Opipeuter xestus, new species).