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Atractus zebrinus (JAN, 1862)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymRhabdosoma zebrinum JAN 1862: 15
Rhabdosoma maculatus – GÜNTHER 1858: 421 (part.)
Atractus maculatus – BOULENGER 1894: 306. (part.)
Atractus guentheri – AMARAL 1978: 114
Atractus cf. guentheri – LEMA 1994: 105. (part.)
Atractus maculatus – MOURA-LEITE et al. 1996:216
Atractus zebrinus – FERNANDES et al. 2000:4
Atractus zebrinus — PASSOS et al. 2005
Atractus zebrinus — CACCIALI et al. 2007
Atractus zebrinus — WALLACH et al. 2014: 84 
DistributionBrazil (Bahia, Espírito Santo, Paraná, Rio de Janeiro, Santa Catarina, São Paulo)

Type locality: unknown 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: MCHNM; Specimen without defined locality, originally housed at Museo Civico di Storia Naturale di Milano (Jan 1862), believed to have been destroyed during the Second World War (S. Scali, cited in Passos et al. 2010). 
CommentSynonymy mostly after PASSOS et al. 2010. Has been previously considered as a synonym of Atractus maculatus (e.g. BOULENGER 1894).

Diagnosis: Atractus zebrinus is distinguished from all congeners by the following combination of characters: (1) 17/17/17 smooth dorsal scale rows; (2) two postoculars; (3) loreal moderate; (4) temporals 1+2; (5) seven supralabials, third and fourth contacting orbit; (6) generally seven infralabials, first four contacting chinshields; (7) eight to ten maxillary teeth; (8) generally three gular scale rows; (9) generally three preventrals; (10) 149–170 ventrals in females, 136–153 in males; (11) 15–27 subcaudals in females, 20–32 in males; (12) dorsum creamish red with irregular transverse black blotches with white borders in adults; (13) venter immaculate creamish white; (14) moderate body size, with females reaching 600 mm SVL and males 457 mm SVL; (15) tail short in females (6.8–11.7% SVL), moderate to long (10.0–16.5% SVL) in males; (16) hemipenis slightly or moderate bilobed, semicapitate, and semicalyculate [Passos et al. 2010]. 
References
  • Amaral, A. 1978. Serpentes do Brasil, 2nd ed. Melhoramentos/Universidaede de Sao Paulo, 246 pp.
  • Boulenger, George A. 1894. Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. British Mus. (Nat. Hist.), London, xi, 382 pp. - get paper here
  • 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., E.M.X. Freire & G. Puorto. 2000. Geographic Variation of the Brazilian Atlantic Rain Forest Snake Atractus maculatus (Günther, 1858) with the revalidation of Rhabdosoma zebrinum Jan, 1862 (Serpentes: Colubridae). Bol. Mus. Nacional, 419: 1-8
  • Günther, A. 1858. Catalogue of Colubrine snakes of the British Museum. London, I - XVI, 1 - 281
  • Jan, G. 1862. Enumerazione sistematico delle specie d'ofidi del gruppo Calamaridae. Arch. Zool., Anat. Fisiol., 2: 1-76. - get paper here
  • Lema, Th. de 1994. Lista comentada dos répteis occorentes nor Rio Grande do Sul, Brasil. Comun. Mus. Cienc. Tecnol. PUCRS, Sér. Zool., Porto Alegre 7: 41-150
  • Moura-Leite, Julio Cesar de; Abrahão-Morato, Sérgio Augusto;Silveira-Bérnils, Renato 1996. New records of reptiles from the State of Paraná, Brazil. Herpetological Review 27 (4): 216-217 - get paper here
  • Passos, P., Dobiey, M., & Venegas, P. J. 2010. Variation and natural history notes on giant groundsnake, Atractus gigas (Serpentes: Dipsadidae). South American Journal of Herpetology, 5(2): 73-82 - 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
  • ROCHA, CARLOS FREDERICO D.; HELENA G.BERGALLO, JOSÉ P. POMBAL JR., LENA GEISE, MONIQUE VAN SLUYS, RONALDO FERNANDES, ULISSES CARAMASCHI 2004. FAUNA DE ANFÍBIOS, RÉPTEIS E MAMÍFEROS DO ESTADO DO RIO DE JANEIRO, SUDESTE DO BRASIL Publ. Avul. Mus. Nac., Rio de Janeiro (104): 3-23 - 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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