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Atractus pantostictus FERNANDES & PUORTO, 1993

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common Names 
SynonymAtractus pantostictus FERNANDES & PUORTO 1993
Atractus guentheri – PETERS & OREJAS-MIRANDA 1970:29. (part)
Atractus pantostictus — PASSOS et al. 2005
Atractus pantostictus — PASSOS et al. 2007
Atractus pantostictus — WALLACH et al. 2014: 78 
DistributionBrazil (Tocantins, São Paulo)

Type locality: municipality of Franco da Rocha (23º20’S, 46º43’W, ca. 800 m), state of São Paulo, Brazil  
TypesHolotype: IBSP (= IB) 54844 
DiagnosisDiagnosis: Atractus pantostictus is distinguished from all congeners by the following combination of characters: (1) 17 smooth dorsal scale rows at midbody; (2) two postoculars; (3) moderate loreal; (4) temporals 1+2; (5) seven supralabials, third and fourth contacting chinshields; (6) usually seven infralabials, first four contacting chinshields; (7) six to eight maxillary teeth; (8) three gular scale rows; (9) usually three preventrals; (10) 154–170 ventrals in females, 145–166 in males; (11) 19–28 subcaudals in females, 22–33 in males; (12) dorsal ground colour creamish yellow to brown uniformly scattered with small black dots; (13) venter immaculate creamish white; (14) moderate body size, females reaching 390 mm SVL, males 322 mm SVL; (15) tail short to moderate in females (6.4–13.2% SVL) and short to long (8.0–17.6% SVL) in males; (16) hemipenis slightly bilobed, slightly semicapitate, and semicalyculate [from PASSOS et al. 2010]. 
CommentCan be confused with A. guentheri. 
  • Cacciali, P.; Villalba, R. & Yanosky, A.A. 2007. A NEW SPECIES OF ATRACTUS (SERPENTES:COLUBRIDAE: DIPSADINAE) FROM THE ATLANTIC FOREST OF ALTO PARANÁ, PARAGUAY. South American J. Herp. 2 (2): 83-88 - get paper here
  • Fernandes R. & Puorto G. 1993. A new species of Atractus from Brazil and the status of A. guentheri (Serpentes: Colubridae). Mem. Inst. Butantan 55 (SUPPL. 1): 7-14. - get paper here
  • Franca, F.G.R.; Daniel O. Mesquita, Cristiano C. Nogueira, and Alexandre F. B. Araújo 2008. Phylogeny and Ecology Determine Morphological Structure in a Snake Assemblage in the Central Brazilian Cerrado. Copeia 2008 (1): 23-38 - 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., R. Fernandes and N. Zanella 2005. A new species of Atractus (Serpentes: Colubridae) from Southern Brazil. Herpetologica 61 (2): 209-218 - 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
  • Torello-Viera, Natália F. and Otavio A.V. Marques 2017. Daily Activity of Neotropical Dipsadid Snakes South American J. Herp. 12 (2): 128-135. - get paper here
  • Valencia, J. H., K. Garzón-Tello & M. E. Barragán-Paladines 2016. Serpientes venenosas del Ecuador: sistemática, taxonomía, historia natural, conservación, envenenamiento y aspectos antropológicos. Quito, Ecuador, Fundación Herpetológica Gustavo Orcés, Universidad de Texas, Fondo Ambiental Nacional, 652 pp. [review in HR 49 (1): 152, 2018]
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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