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Atractus matthewi MARKEZICH & BARRIO-AMORÓS, 2004

IUCN Red List - Atractus matthewi - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymAtractus matthewi MARKEZICH & BARRIO-AMORÓS 2004
Atractus nororientalis SANCHEZ, DE SOUSA, ESQUEDA & MANZANILLA 2004
Atractus matthewi — WALLACH et al. 2014: 75 
DistributionNE Venezuela (Anzoátegui)

Type locality: Venezuela: Carápas

nororientalis: Venezuela; Type locality: “hacienda cafetalera La Orquídea, cerro La Laguna, Macizo del Turimiquire. La localidad se encuentra a 1.600 m altitud (10°00’09,2” N y 64°07’45,4” O) y a unos 4,8 km del caserío La Piedra de Mundo Nuevo, Parroquia Libertador, Municipio Freites, Estado Anzoátegui, Venezuela.”  
Reproductionoviparous 
TypesHolotype: AMNH 29316
Holotype: EBRG 4453 [nororientalis] 
DiagnosisDiagnosis: A short-tailed species of Atractus diagnosable from the other members of the genus by the following combination of characters: (1.) 17-17-17 dorsal scale rows; (2.) loreal 2.5 times longer than high; (3.) internasals small; (4.) 7 supralabials and 7 infralabials, rarely 6 of each; (5.) 9 maxillary teeth, rarely 8; (6.) ventrals 160-168, caudals 23-28; (7.) dorsal body color pattern of medium brown ground color with small apical dark spots on each scale on lateral sides except on scales in DSR 1 and 2, which have light ventral coloration and variable dark scale edging; (8.) ventral body pattern with dark and light transverse bands on ventral scales; (9.) color pattern of dorsal tail surface with light and dark mottling; (10.) medium size, approximately 365 mm total length; (11.) tail/total length, 9-11%; and (12.) hemipenis bilobed and differentiated. (Markezich & Barrio-Amorós 2004)


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CommentA. nororientalis has been synonymized with A. matthewi by KOK et al. (2007). 
EtymologyNamed after Matthew L. Markezich, the son of ALM who has remained a constant source of help and inspiration to his father. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • KOK, PHILIPPE J. R.; GILSON A. RIVAS FUENMAYOR and OLIVIER S. G. PAUWELS 2007. The taxonomic status of the Venezuelan snakes Atractus matthewi and A. nororientalis (Serpentes, Colubridae). Zootaxa 1493: 66-68 - get paper here
  • Markezich, A. L. and C. L. Barrio-Amorós 2004. A new species of Atractus (Serpentes: Colubridae) from northeastern Venezuela. Bull. Maryland Herp. Soc. 40:111–121 - get paper here
  • Natera-Mumaw, Marco; Luis Felipe Esqueda-González & Manuel Castelaín-Fernández 2015. Atlas Serpientes de Venezuela. Santiago de Chile, Dimacofi Negocios Avanzados S.A., 456 pp. - get paper here
  • Prudente, A. L. da & Santos-Costa, M. C. dos 2006. A new species of Atractus Wagler, 1828 (Serpentes: Colubridae) from Eastern Amazonia, Brazil. Zootaxa 1285: 21–29 - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Sanchez, De Sousa., Esqueda, L.F. & Manzanilla, J. 2004. Especie nueva de Atractus (Serpentes:Colubridae) del macizo del Turimiquire, tramo oriental de la cordillera de la costa, Venezuela. Revista Saber 16(2): 89-95
  • 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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