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Atractus orcesi SAVAGE, 1955

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymAtractus orcesi SAVAGE 1955: 17
Atractus occipitoalbus – SAVAGE 1960 (part.)
Atractus orcesi — PASSOS et al. 2009
Atractus orcesi — WALLACH et al. 2014: 78 
DistributionEcuador, Colombia (Cauca, Huila, Putumayo, Amazon versant of the Andes from Parque Nacional Cueva de Los Guacharos (01° 49’ N, 75° 53’ W) in the Department of Cauca, Colombia, to Macas (02° 19’ S, 78° 07’ W) in the Province of Morona-Santiago, Ecuador, elevation 500–3000 m.

Habitat: Amazon Most Broadest Forest and Andean Broadest Forest.

Type locality: Loreto (00° 40’ S, 77° 19’ W, ca. 450 m elevation), Province of Orellana, Ecuador.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: CAS-SUR 15622, adult male, collected on October 1952 by J. Olalla. 
DiagnosisDiagnosis in Savage 1955: 17, and Passos et al. 2009. 
CommentRhabdosoma orcesi has been synonymized previously with Atractus occipitoalbus (by SAVAGE 1960) but revalidated by Passos et al. 2009. 
References
  • Arteaga, A.; Bustamante, L.; Vieira, J. 2024. Reptiles of Ecuador. Khamai Foundation & Tropical Herping, 1073 pp. - 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
  • Melo-Sampaio PR, Venegas PJ 2023. A new species of groundsnake genus Atractus Wagler, 1828 (Serpentes, Dipsadidae) from the Peruvian Andes revealed by unequivocal morphological characters. Evolutionary Systematics 7(2): 257-266 - get paper here
  • Passos, Paulo; Altagratia Chiesse, Omar Torres-Carvajal, and Jay M. Savage 2009. TESTING SPECIES BOUNDARIES WITHIN THE ATRACTUS OCCIPITOALBUS COMPLEX (SERPENTES: DIPSADIDAE). Herpetologica 65 (4): 384-403 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Savage, Jay M. 1955. Descriptions of new colubrid snakes, genus Atractus, from Ecuador. Proc. Biol. Soc. Washington 68: 11-20 - get paper here
  • Savage,J.M. 1960. A revision of the Ecuadorian snakes of the colubrid genus Atractus. Misc. Publ. Zool. Univ. Michigan 112: 1-86 - get paper here
  • Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - 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.
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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