Dryophylax dixoni

Dryophylax dixoni
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Dryophylax
Species:	D. dixoni
Binomial name
Dryophylax dixoni Bailey & Thomas, 2007

Dryophylax dixoni is a species of snake in the family Colubridae. The species is endemic to Venezuela and Colombia. ^[2]

Etymology

D. dixoni is named after American heptologist, James R. Dixon. It is also called Thamnodynastes dixoni. ^{[3] [4] [5]}

Description

This species is characterized as a snake with a typical pattern with smooth, weakly keeled scales arranged in 19-19-15 configuration. It has a divided cloacal plate and chin stripes. Males have 120-160 ventrical scales, while females have 141-150. There are 12-15 maxillary teeth present with 2 enlarged teeth. Most individuals have 12-15+2G teeth organization. Its hemipenis is very slender and spineless. ^[2]

Habitat

D. dixoni is found in Venezuela (Apure) and Southeastern Colombia. Its type locality is Hato La Guanota, 4 km (2.5 mi) west of San Fernando in Apure state.^{[ citation needed ]}

Life cycle

It features an ovoviviparous reproductive cycle.^{[ citation needed ]}

References

1. Ines Hladki, A.; Ramírez Pinilla, M.; Renjifo, J.; Urbina, N.; Schargel, W.; Rivas, G. (2022) [amended version of 2016 assessment]. "Thamnodynastes dixoni". IUCN Red List of Threatened Species . 2022 e.T49845483A217809824. doi: 10.2305/IUCN.UK.2022-1.RLTS.T49845483A217809824.en .
2. "Dryophylax dixoni". Reptile Database. Retrieved 24 January 2019.
3. Bailey, Joseph R.; Thomas, Robert A.; Silva Jr, Nelson Jorge da (2005-12-01). "A revision of the South American snake genus Thamnodynastes Wagler, 1830 (Serpentes, Colubridae, Tachymenini): I. Two new species of Thamnodynastes from Central Brazil and adjacent areas, with a redefinition of and neotype designation for Thamnodynastes pallidus (Linnaeus, 1758)". Phyllomedusa: Journal of Herpetology. 4 (2): 83. doi: 10.11606/issn.2316-9079.v4i2p83-101 . ISSN   2316-9079.
4. Crother, Brian I. (2015). "Snakes of the World: A Catalogue of Living and Extinct Species. By Van Wallach, Kenneth L. Williams, and Jeff Boundy. Boca Raton (Florida): CRC Press (Taylor & Francis Group). $149.95. xxvii + 1209 p.; index. ISBN: 978-1-4822-0847-4. 2014". The Quarterly Review of Biology. 90 (1): 101–102. doi:10.1086/679952. ISSN   0033-5770.
5. TREVINE, VIVIAN C.; CAICEDO-PORTILLA, JOSÉ RANCÉS; HOOGMOED, MARINUS; THOMAS, ROBERT A.; FRANCO, FRANCISCO L.; MONTINGELLI, GIOVANNA G.; OSORNO-MUÑOZ, MARIELA; ZAHER, HUSSAM (2021-04-09). "A new species of Thamnodynastes Wagler, 1830 from western Amazonia, with notes on morphology for members of the Thamnodynastes pallidus group (Serpentes, Dipsadidae, Tachymenini)". Zootaxa. 4952 (2): 235–256. doi:10.11646/zootaxa.4952.2.2. ISSN   1175-5334. PMID   33903366.