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

Dryophylax dixoni
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Dryophylax
Species:
D. dixoni
Binomial name
Dryophylax dixoni
Bailey & Thomas, 2007

Taxonomy

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Full classification
Domain Eukaryota
Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Squamata
Suborder Serpentes
Infraorder Alethinophidia
Superfamily Colubroidea
Family Colubridae
Subfamily Dipsadinae
Clade Caenophidia
Genus Dryophylax
Species D. dixoni

Etymology

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D. dixoni is named after American heptologist, James R. Dixon (Texas 1928-2015). It is also called Thamnodynastes dixoni.[3][4][5]

Description

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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 and Behavior

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D. dixoni is found in Venezuela (Apure) and Southeastern Colombia. Its type locality is Hato La Guanota, 4km west of San Fernando in Apure state.

Life Cycle

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It features an ovoviviparous reproductive cycle.

References

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  1. ^ Ines Hladki, A.; Ramírez Pinilla, M.; Renjifo, J.; Urbina, N.; Schargel, W. & Rivas, G. (2015). "Thamnodynastes dixoni". IUCN Red List of Threatened Species. 2015: e.T177576A67509910.
  2. ^ a b "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). doi:10.11646/zootaxa.4952.2.2. ISSN 1175-5334.