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Atractus clarki DUNN & BAILEY, 1939

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Clark's Ground Snake 
SynonymAtractus clarki DUNN & BAILEY 1939
Atractus clarki — PETERS & OREJAS-MIRANDA 1970: 28
Atractus clarki — MYERS 2003: 10
Atractus clarki — WALLACH et al. 2014: 70 
DistributionPanama, Colombia (incl. Valle del Cauca)

Type locality: from a mine at Santa Cruz de Cana (± 07º46’N, 77º41ºW, ca. 500 m elevation), province of Darién, Panamá  
TypesHolotype: MCZ 28800, adult female, Museum of Comparative Zoology, Harvard University, collected on 1938 by a native worker (photographs examined). 
DiagnosisDIAGNOSIS: Atractus clarki is readily distinguished from other Panamanian species in having a uniformly pale venter, narrow pale dorsal bars, pale dashes on the lower scale rows, and in having a relatively large eye whose length is noticeably greater than its distance to lip and which is contained less than two times in length of the loreal plate. 
CommentOnly known from 2 specimens. 
EtymologyNamed after Dr. Herbert Charles Clark (1877-1960), the first Director of Gorgas Memorial Laboratory, Panama (1929-1954). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Dunn, Emmett R. & Bailey, Joseph R. 1939. Snakes from the uplands of the Canal Zone and of Darien. Bull. Mus. Comp. Zool. Harvard 86 (1): 1-22 - get paper here
  • Myers, C.W. 2003. Rare Snakes—Five New Species from Eastern Panama: Reviews of Northern Atractus and Southern Geophis (Colubridae: Dipsadinae). American Museum Novitates 3391: 1-47 - get paper here
  • Passos, P.; Mueses-Cisneros, J.J.; Lynch, J.D. & Fernandes, R. 2009. Pacific lowland snakes of the genus Atractus (Serpentes: Dipsadidae), with description of three new species. Zootaxa 2293: 1–34 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Valencia-Zuleta A, Jaramillo-Martínez AF, Echeverry-Bocanegra A, Viáfara-Vega R, Hernández-Córdoba O, Cardona-Botero VE, Gutiérrez-Zúñiga J, Castro-Herrera F. 2014. Conservation status of the herpetofauna, protected areas, and current problems in Valle del Cauca, Colombia. Amphibian & Reptile Conservation 8 (2): 1–18 (e87) - 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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