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Atractus potschi FERNANDES, 1995

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymAtractus potschi FERNANDES 1995
Atractus potschi — PASSOS et al. 2007
Atractus potschi — WALLACH et al. 2014: 79 
DistributionNE Brazil (Sergipe, Alagoas, Bahia: [HR 31: 254])

Type locality: Brazil: Alagoas: Maceio. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionoviparous 
TypesHolotype: IB (= IBSP) 48438 
CommentAtractus potschi can be distinguished from other Atractus by the combination of a long loreal, temporal formula 1 + 2, 7 supralabials, dorsal scales in 15 rows, and a dorsal color pattern of small transverse brown bands on a reddish ground color.

Diagnosis: Atractus potschi is distinguished from all congeners by the combination of the following characters: (1) 15/15/15, smooth dorsal scale rows; (2) two postoculars; (3) loreal long; (4) temporals 1+2; (5) seven supralabials, third and fourth contacting orbit; (6) seven infralabials, first four contacting chinshields; (7) seven maxillary teeth; (8) three gular scale rows; (9) three preventrals; (10) 153–165 ventrals in females, 141–150 in males; (11) 22–25 subcaudals in females, 27–32 in males; (12) dorsal ground colour creamish yellow, with black collar and black dots, occasionally merged to form blotches or crossbands; (13) venter immaculate creamish white; (14) moderate body size, females reaching 370 mm SVL, males 312 mm SVL; (15) tail short in females (8.6–11.4% SVL) and short to moderate (8.8–15.6% SVL) in males; (16) slightly bilobed, semicapitate, and semicalyculate hemipenis [Passos et al. 2010]. 
References
  • Fernandes, R. 1995. A new species of snake in the genus Atractus (Colubridae: Xenodontinae) from the northeastern Brazil. Journal of Herpetology 29 (3): 416-419 - get paper here
  • Hamdan, B. & R. M. Lira-da-Silva 2012. The snakes of Bahia State, northeastern Brazil: species richness, composition and biogeographical notes. Salamandra 48 (1): 31-50 - get paper here
  • Hamdan, B.; D.P. Coelho; A.B. D’Angiolella; E.J.R. Dias; R.M. Lira-da-Silva. 2013. The Reptile Collection of the Museu de Zoologia, Universidade Federal da Bahia, Brazil. Check List 9 (2):257-262 - get paper here
  • Passos, P., R. Fernandes and Borges-Nojosa, D.M. 2007. A New Species of Atractus (Serpentes: Dipsadinae) from a Relictual Forest in Northeastern Brazil. Copeia 2007 (4): 788–797 - get paper here
  • Passos, P.; Fernandes, R.; Bernils, R.S. & Moura-Leite, J.C. de 2010. Taxonomic revision of the Brazilian Atlantic Forest Atractus (Reptilia: Serpentes: Dipsadidae). Zootaxa 2364: 1–63 - get paper here
  • Passos, Paulo; Angele Martins and Daniela Pinto-Coelho 2016. Population Morphological Variation and Natural History of Atractus potschi (Serpentes: Dipsadidae) in Northeastern Brazil. South American J. Herp. 11 (3): 188–211 - get paper here
  • Passos, Paulo; TeixeirA Junior, Mauro; Recoder, Renato S.; Sena, Marco Aurélio de; Vechio, Francisco Dal; Pinto, Hugo Bonfim de A.; Mendonça, Sônia H.S.T.; Cassimiro, José; Rodrigues, Miguel Trefaut 2013. A new species of Atractus (Serpentes: Dipsadidae) from Serra do Cipó, Espinhaço Range, Southeastern Brazil, with proposition of a new species group to the genus. Pap. Avulsos Zool. (São Paulo) 53 (6):75‐85 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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