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Atractus altagratiae PASSOS & FERNANDES, 2008

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common Names 
SynonymAtractus altagratiae PASSOS & FERNANDES 2008
Atractus altagratiae — WALLACH et al. 2014: 68 
DistributionN Brazil (C Amazon)

Type locality: upper Cururú River (07°12’S, 58°04’W; ca. 44 m elevation), tributary of Teles Pires River, Municipality of Itaituba, State of Pará, Brazil.  
TypesHolotype: MNRJ 7888, adult male, Museu Nacional, Universidade Federal do Rio de Janeiro, collected 1957 by Helmut Sick. 
CommentOn the basis of hemipenial morphology Atractus altagratiae appears to be a close relative of A. insipidus, A. pantostictus, A. punctiventris, and A. ronnie. These species share a slightly bilobed, barely semicapitate, and semicalyculate hemipenis, most of them having intrasulcular alary spines, a basal depression, and lateral projection on the lobes (Passos, 2008). 
EtymologyThe specific epithet “altagratiae” honours Altagratia Chiesse for her extensive help rendering many Atractus illustrations and supporting the senior author during his doctorate studies. 
  • Passos, P. 2008. Revisão taxonômica do gênero Atractus Wagler, 1828 (Serpentes: Colubridae: Dipsadinae). PhD Thesis, Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil, 671 pp. - get paper here
  • Passos, P. & Fernandes, R. 2008. A new species of the colubrid snake genus Atractus (Reptilia: Serpentes) from the central Amazon of Brazil. Zootaxa 1849: 59–66 - 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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