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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesPortuguese: Cobra-da-Terra 
SynonymAtractus ronnie PASSOS, FERNANDES & BORGES-NOJOSA 2007
Atractus ronnie — WALLACH et al. 2014: 80
Atractus ronnie — NOGUEIRA et al. 2019 
DistributionNE Brazil (Ceará)

Type locality: Brazil, Ceará State, Serra de Baturité, municipality of Pacoti, Granja, 04°10’S, 38°55’W, ca. 800 m elevation.  
TypesHolotype: MNRJ 14194, adult female, 10 April 1998, D. M. Borges-Nojosa. 
DiagnosisDiagnosis: Distinguished from all congeners by the following combination of characters: (1) rostral slightly visible in dorsal view; (2) head flattened in lateral view; (3) two postoculars; (4) long loreal; (5) seven upper and lower labials; (6) 17 dorsal scale rows at midbody; (7) seven maxillary teeth (five prediastemal and two post-diastemal); (8) ventral scales 154–160 in females and 134–144 in males; (9) subcaudal scales 17–20 in females and 20–25 in males; (10) dorsal ground color in preserved specimens yellowish white to reddish brown, uniformly scattered with dark brown dots; (11) ventral ground color creamish white; (12-13) size; (14) hemipenis slightly bilobed, semicapitate, with lateral-tip projections. 
CommentHabitat: fossorial

Behavior: nocturnal 
EtymologyThe specific epithet ronnie represents the nickname of Dr. Ronaldo Fernandes, Curator of Herpetology at Museu Nacional, Universidade Federal do Rio de Janeiro, and a friend of the authors. 
  • Ferreira-Silva, Cristiana; Samuel Cardozo Ribeiro, Edna Paulino de Alcantara, and Robson<br />Waldemar Ávila 2019. Natural history of the rare and endangered snake Atractus ronnie (Serpentes: Colubridae) in northeastern Brazil. Phyllomedusa 18 (1): 77–87 - get paper here
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • GUEDES, THAÍS B.; CRISTIANO NOGUEIRA & OTAVIO A. V. MARQUES 2014. Diversity, natural history, and geographic distribution of snakes in the Caatinga, Northeastern Brazil. Zootaxa 3863 (1): 001–093 - get paper here
  • Loebmann, D.; Cardozo Ribeiro, S., Lima Sales D.; Oliveira Almeida, W. de 2009. New records of Atractus ronnie (Serpentes, Colubridae) in relictual forests from the state of Ceará, Brazil, and comments on meristic and morphometric data. Biotemas, 22 (1): 169-173 - get paper here
  • Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - 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
  • Ribeiro, S. C., I. J. Roberto, D. L. Sales, R. W. Ávila & W. O. Almeida 2012. Amphibians and reptiles from the Araripe bioregion, northeastern Brazil. Salamandra 48 (3): 133-146 - get paper here
  • 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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