Oxyrhopus melanogenys

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Oxyrhopus melanogenys
Oxyrhopus melanogenys.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Oxyrhopus
Species:
O. melanogenys
Binomial name
Oxyrhopus melanogenys
(Tschudi, 1845)
Synonyms
  • Sphenocephalus melanogenysTschudi, 1845
  • Oxyrhopus tergeminus
    Jan, 1870
  • Tachymenis bitorquata
    Günther, 1872
  • Oxyrhopus melanogenys
    Boulenger, 1896 [2]

Oxyrhopus melanogenys, commonly known as Tschudi's false coral snake, is a colubrid snake species found in the northern part of South America.

Contents

Description

Adults may attain a total length of 68 cm (27 in), which includes a tail 17 cm (6.7 in) long. [3]

Dorsally, it is red or reddish brown, with the dorsal scales black-edged or black-tipped. There may be a few black crossbands in groups of three (triads) on the anterior portion of the body. The top of the head and the nape of the neck are black. Ventrally, it is yellowish. [3] It is often confused with Oxyrhopus trigeminus.

The dorsal scales are smooth, with apical pits, and are arranged in 19 rows at midbody. [3]

Subspecies

There are two subspecies, including the nominate subspecies: [4] [5]

Geographic range

O. m. melanogenys is native to Bolivia, Peru, Brazil (Rondônia, Amazonas, Pará), Ecuador, Colombia, Guyana, [6] [7] Venezuela (Amazonas, Bolívar). [8]

O. m. orientalis is found in Peru and Brazil (Pará). [4]

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References

  1. Nogueira, C. de C.; Catenazzi, A.; Gagliardi, G.; Gonzales, L.; Doan, T.M.; Lamar, W.; Lundberg, M.; Schargel, W.; Rivas, G. (2019). "Oxyrhopus melanogenys". IUCN Red List of Threatened Species . 2019: e.T177432A44950687. doi: 10.2305/IUCN.UK.2019-3.RLTS.T177432A44950687.en . Retrieved 19 November 2021.
  2. The Reptile Database. www.reptile-database.org.
  3. 1 2 3 Boulenger, G.A. 1896. Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ),... Trustees of the British Museum (Natural History). (Taylor and Francis, Printers.) London. xiv + 727 pp. + Plates I.- XXV. (Oxyrhopus melanogenys, p. 105.)
  4. 1 2 Oxyrhopus melanogenys. Catalogue of Life: 2010 Annual Checklist
  5. No subspecies are currently recognized by ITIS. See: "Oxyrhopus melanogenys". Integrated Taxonomic Information System . Retrieved 2011-03-23.
  6. Cole, C.J.; C.R. Townsend; R.P. Reynolds; R.D. MacCulloch & A. Lathrop (2013). "Amphibians and reptiles of Guyana, South America: Illustrated keys, annotated species accounts, and a biogeographic synopsis". Proceedings of the Biological Society of Washington. 125 (4): 317–620. doi:10.2988/0006-324x-125.4.317. S2CID   86665287.
  7. MacCulloch, R.D.; A. Lathrop; P.J.R. Kok; R. Ernst & M. Kalamandeen (2009). "The genus Oxyrhopus (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy". Papéis Avulsos de Zoologia. 49 (36): 487–495. doi: 10.1590/S0031-10492009003600001 .
  8. Zaher, H. & U. Caramaschi (1992). "Sur le statut taxinomique d'Oxyrhopus trigeminus et O. guibei (Serpentes, Xenodontinae)". Bulletin du Muséum National d'Histoire Naturelle. (4)14a(3-4) (3): 805–827. doi: 10.5962/p.290072 .

Further reading