Proctoporus xestus

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

Proctoporus xestus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Gymnophthalmidae
Genus: Proctoporus
Species:
P. xestus
Binomial name
Proctoporus xestus
(Uzzell, 1969)
Synonyms[2]
  • Opipeuter xestus
    Uzzell, 1969
  • Proctoporus xestus
    — Goicoechea et al., 2012

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
  1. Cacciali, P.; Carreira, S.; Kacoliris, F.; Montero, R.; Pelegrin, N.; Moravec, J.; Lehr, E. [in German]; 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. Retrieved 18 February 2023.
  2. Proctoporus xestus at the Reptarium.cz Reptile Database. Accessed 28 February 2018.
  3. 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).


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