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Oxyrhopus marcapatae (BOULENGER, 1902)

IUCN Red List - Oxyrhopus marcapatae - Least Concern, LC

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Boulenger's False Coral Snake 
SynonymHomalocranium marcapatae BOULENGER 1902: 401
Drepanodon eatoni RUTHVEN in BARBOUR 1914: 506
Tantilla marcapatae — SCHMIDT & WALKER 1943
Oxyrhopus marcapatae — PETERS & OREJAS-MIRANDA 1970: 232
Oxyrhopus marcapatae — WALLACH et al. 2014: 518 

Type locality: Marcapata Valley, eastern Peru  
TypesType: BMNH 1946.1.8.72 (and possibly additional specimens).
Holotype: MCZ 8831 [eatoni] 
DiagnosisO. marcapatae presents a strikingly different morphology, differing from other Oxyrhopus species by presenting 15 dorsal rows, 7 supralabials, and 8 infralabials (vs. more than 15 dorsal rows with or without reduction, except for O. leucomelas, 8 or more supralabials except for O. leucomelas, 9 or more supralabials except for O. leucomelas), and O. leucomelas, which presents unique morphological characters (7 or 8 supralabials and infralabials, 17/17/15 dorsal rows) and shares hemipenial similarities and a similar coloration pattern with Siphlophis species (Zaher 1999, Lynch 2009, Sheehy et al. 2012, Gonzales et al. 2020). 
EtymologyNamed after the type locality. 
  • Barbour, Thomas 1913. Reptiles collected by the Yale Peruvian expedition of 1912. Proc. Acad. Nat. Sci. Philad. 1913: 506 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, George A. 1902. Descriptions of new batrachians and reptiles from the Andes of Peru and Bolivia [Elaps regularis not assigned]. Ann. Mag. nat. Hist. (7) 10 (59): 394-402 - get paper here
  • CATENAZZI, A., LEHR, E. & VON MAY, R. 2013. The amphibians and reptiles of Manu National Park and its buffer zone, Amazon basin and eastern slopes of the Andes, Peru. Biota Neotropica 13 (4): 269-283
  • Gonzales, L., Reichle, S., & Entiauspe-Neto, OM 2020. A new species of Oxyrhopus Wagler, 1830 (Serpentes: Dipsadidae) from the Bolivian Andes. An Acad Bras Cienc 92 (Suppl. 2): e20191428 - get paper here
  • Schmidt, Karl P. & Walker, Warren F. 1943. Peruvian snakes from the University of Arequipa. Zoological Series of Field Museum of Zoology 24 (26): 279-296 - 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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