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Dixon's ground snake

(Redirected from Erythrolamprus atraventer)

Dixon's ground snake (Erythrolamprus atraventer) is a species of snake in the family Colubridae. The species is endemic to Southeastern Brazil.

Dixon's ground snake
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Dipsadinae
Genus: Erythrolamprus
Species:
E. atraventer
Binomial name
Erythrolamprus atraventer
(Dixon & Thomas, 1985)
Synonyms[3]
  • Liophis atraventer Dixon & Thomas, 1985[2]

Classification

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Erythrolamprus atraventer belongs to the genus Erythrolamprus, which contains over 50 species. The genus Erythrolamprus belongs to the subfamily Dipsadinae, which is sometimes referred to as the family Dipsadidae. The relationships of Erythrolamprus species located in northern South America can be shown in the cladogram below, based on molecular DNA analysis:[4]

     

E. poecilogyrus (paraphyletic)

     

E. ceii

E. poecilogyrus (paraphyletic)

E. miliaris

E. miliaris

     
     

E. typhlus (Brazil) (paraphyletic)

     

E. reginae (paraphyletic)

     

E. reginae (paraphyletic)

E. zweifeli

E. breviceps

E. epinephalus (Peru) (paraphyletic)

     
     

Erythrolamprus atraventer

     
     

E. typhlus (French Guiana) (paraphyletic)

E. cobella

     
     

E. aesculapii (Brazil) (paraphyletic)

E. ocellatus

E. aesculapii (French Guiana & Guyana) (paraphyletic)

     

Geographic range

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E. atraventer is found in the Brazilian states of Rio de Janeiro and São Paulo.[1][3]

Habitat

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E. atraventer occurs in the upland areas of the Atlantic Forest, forest edges, in wet areas, and in both forested and open areas. It is terrestrial and diurnal.[1]

Description

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The holotype, a male, measures 505 mm (19.9 in) in total length, which includes 108 mm (4.3 in) tail. Female topotypes had relatively shorter tails. The belly is black, as indicated by its specific name (from Latin atra (=black) and venter (=belly)).[2] Later studies indicate a maximum length of 800 mm (31 in).[1]

Reproduction

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E. atraventer is oviparous.[1][3]

Conservation status

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The IUCN did not identify any overt threats affecting E. atraventer, and lists the species as "Least Concern". It is locally common, e.g., in the Serra do Mar State Park.[1]

References

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  1. ^ a b c d e f Silveira, A.L.; Prudente, A.L. da C.; Argôlo , A.J.S.; Abrahão, C.R.; Nogueira, C. de C.; Barbo, F.E.; Costa, G.C.; Pontes, G.M.F.; Colli, G.R.; Zaher, H. el D.; Borges-Martins, M.; Martins, M.R.C.; Oliveira , M.E.; Passos, P.G.H.; Bérnils, R.S.; Sawaya, R.J.; Cechin, C.T.Z. & Guedes da Costa, T.B. (2019). "Erythrolamprus atraventer". IUCN Red List of Threatened Species. 2019: e.T39901A123738859. doi:10.2305/IUCN.UK.2019-2.RLTS.T39901A123738859.en. Retrieved 17 November 2021.
  2. ^ a b Dixon, James R. & Thomas, Robert A. (1985). "A new species of South American water snake (genus Liophis) from Southeastern Brazil". Herpetologica. 41 (3): 259–262. JSTOR 3892271. (Liophis atraventer, new species).
  3. ^ a b c Erythrolamprus atraventer at the Reptarium.cz Reptile Database. Accessed 5 November 2022.
  4. ^ Murphy, John C.; Braswell, Alvin L.; Charles, Stevland P.; Auguste, Renoir J.; Rivas, Gilson A.; Borzée, Amaël; Lehtinen, Richard M.; Jowers, Michael J. (15 Jan 2019). "A new species of Erythrolamprus from the oceanic island of Tobago (Squamata, Dipsadidae)". ZooKeys (817): 131–157. doi:10.3897/zookeys.817.30811.


 

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