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Chironius challenger KOK, 2010

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymChironius challenger KOK 2010
Chironius fuscus — MÄGDEFRAU et al. 1991: 22
Chironius fuscus fuscus — DIXON et al. 1993: 114 (part.)
Chironius fuscus — MYERS & DONNELLY 2008: 121
Chironius challenger — WALLACH et al. 2014: 159
Chironius challenger — BERNAL & DUBOIS 2023 
DistributionGuyana, E Venezuela

Type locality: southeastern slope of Maringma Tepui, Cuyuni-Mazaruni District, Guyana (05° 12’ N, 060° 35’ W, 1500 m elevation.  
Reproductionoviparous. 
TypesHolotype: IRSNB 2659 (field number PK 2017), a subadult female collected by Philippe J. R. Kok, 25 November 2007 at 10h 45. 
Diagnosis 
CommentHabitat: partly arboreal (Harrington et al. 2018). 
EtymologyThe specific epithet is considered to be a noun in apposition and refers to Professor George Edward Challenger, the fictional main character of Sir Arthur Conan Doyle's famous novel "The Lost World" published in 1912. "The Lost World" depicts an epic expedition to an isolated tepui in the middle of the tropical jungle of northern South America in search of dinosaur-like creatures and a forgotten civilisation. The reading of Sir Conan Doyle’s novel when Philippe Kok was a child fuelled his thirst for exploration and adventure and positively influenced his research and interest in the Pantepui region. 
References
  • Bernal, Rodrigo & Alain Dubois 2023. Chironius scurrula, the correct nomen for Chironius scurrulus (Squamata, Serpentes, Colubridae), with a list of the correct spellings of specific epithets currently in use in this genus. Bionomina, 34: 035–044 - get paper here
  • Cole, Charles J.; Carol R. Townsend, Robert P. Reynolds, Ross D. MacCulloch, and Amy Lathrop 2013. Amphibians and reptiles of Guyana, South America: illustrated keys, annotated species accounts, and a biogeographic synopsis. Proceedings of the Biological Society of Washington 125 (4): 317-578; plates: 580-620 - get paper here
  • Dixon J R; Wiest J A Jr; Cei J M 1993. Revision of the Neotropical snake genus Chironius Fitzinger (Serpentes, Colubridae). MUSEO REGIONALE DI SCIENZE NATURALI MONOGRAFIE (TURIN) 13 :1-280
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • KOK, PHILIPPE J. R. 2010. A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America. Zootaxa 2611: 31–44 - get paper here
  • Mägdefrau, Helmut; Mägdefrau, Karin; Schlüter, Andreas 1991. Herpetologische Daten vom Guaiquinima-Tepui, Venezuela. Herpetofauna 13 (70): 13-26 - get paper here
  • Myers, Charles W.;Donnelly, Maureen A. 2008. The Summit Herpetofauna Of Auyantepui, Venezuela: Report From The Robert G. Goelet American Museum-Terramar Expedition. Bulletin of the American Museum of Natural History 308: 1-147 - 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
  • 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
  • Torres-Carvajal, O., Echevarría, L.Y., Lobos, S.E., Venegas, P.J., Kok, P.J.R. 2018. Phylogeny, diversity and biogeography of Neotropical sipo snakes (Serpentes: Colubrinae: Chironius). Molecular Phylogenetics and Evolution 130: 315-329 - 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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