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Atractus occipitoalbus (JAN, 1862)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Gray Ground Snake 
SynonymRhabdosoma occipitoalbum JAN 1862: 16
Rabdosoma occipitoalbus — JAN 1865
Atractus occipitoalbus — BOULENGER 1894: 310
Atractus occipitoalbus — PETERS & OREJAS-MIRANDA 1970: 32
Atractus occipitoalbus — DUELLMAN 1978: 230
Atractus occipitoalbus — PASSOS et al. 2007
Atractus occipitoalbus — WALLACH et al. 2014: 78 
DistributionE Ecuador, Bolivia (Beni), Peru, Colombia (Putumayo, 775-850 m elevation)

Type locality: Andes of Ecuador, 4000 ft elevation.  
Reproductionoviparous 
TypesHolotype: lost, was ZSM 1395, (FRANZEN & GLAW 2007) 
DiagnosisDiagnosis: Passos et al. 2009. 
CommentDistribution: see map in Marín et al. 2017. 
EtymologyNamed after Latin occiput, back of the head, occiput and Latin albus, white, pale. [“...Esso ne differisce altresì nel colorito die è tutto nero tanto di sopra quanto di sotto ad eccezione soltanto delle regioni occipitale e temporale della testa e della parte inferiore della medesima...”]. (from Esteban Lavilla, pers. comm., May 2024) 
References
  • Boulenger, George A. 1880. Reptiles et Batraciens recueillis par M. Emile de Ville dans les Andes de l'équateur. Bulletin de la Société Zoologique de France 5: 41-48 - get paper here
  • Boulenger, George A. 1894. Catalogue of the snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. British Mus. (Nat. Hist.), London, xi, 382 pp. - get paper here
  • Daza, Juan M. 2017. First trans-Andean record of Atractus occipitoalbus (Jan, 1862), (Squamata, Dipsadidae), from Colombia. Herpetology Notes 10: 49-51 - get paper here
  • Duellman, W. E. 1978. The biology of an equatorial herpetofauna in Amazonian Ecuador. Misc. Publ. Univ. Kans. Mus. Nat. Hist. 65: 1-352 - get paper here
  • Eversole, C. B., Powell, R. L., Rivas, L. R., & Lizarro, D. E. 2024. Reptile Biodiversity and Vulnerability in Bolivia’s Beni Department: Informing Conservation Priorities in a Neglected Frontier. Diversity, 16(6), 335 - get paper here
  • Henle K. and EHRL A. 1991. Zur Reptilienfauna Perus nebst Beschreibung eines neuen Anolis (Iguanidae) und zweier neuer Schlangen (Colubridae). Bonner Zoologische Beiträge 42 (2): 143 - 180. - get paper here
  • Jan, G. 1862. Enumerazione sistematico delle specie d'ofidi del gruppo Calamaridae. Arch. Zool., Anat. Fisiol., 2: 1-76. - get paper here
  • Jan, G. 1865. Iconographie générale des ophidiens. 11. Livraison. J.B. Bailière et Fils, Paris - get paper here
  • Passos, P., R. Fernandes and Borges-Nojosa, D.M. 2007. A New Species of Atractus (Serpentes: Dipsadinae) from a Relictual Forest in Northeastern Brazil. Copeia 2007 (4): 788–797 - 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.
  • Quinteros-Muñoz, O. 2013. Serpentes, Dipsadidae, Atractus occipitoalbus: Second record and Distribution Extension in Bolivia. Check List 9 (1):76-77 - get paper here
  • Restrepo A, Molina-Zuluaga C, Hurtado JP, Marín CM, Daza JM 2017. Amphibians and reptiles from two localities in the northern Andes of Colombia. Check List 13 (4): 203-237 - get paper here
  • 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
  • Silva Haad, J.J. 2004. Las serpientes del género Atractus Wagler, 1828 (Colubridae; Xenodontinae) en la Amazonia colombiana. [The snakes of the genus Atractus Wagler, 1828 (Colubridae; Xenodontinae) in the colombian Amazonia.]. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales (108): 409-446
  • 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.
 
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