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Chironius laurenti DIXON, WIEST & CEI, 1993

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common Names 
SynonymChironius laurenti DIXON, WIEST & CEI 1993: 141
Chironius laurenti — HOLLIS 2006
Chironius laurenti — WALLACH et al. 2014: 161 
DistributionBolivia (Beni, Cochabamba, and Santa Cruz),
Brazil (Mato Grosso, Acre)

Type locality: Bolivia, Department of Beni, Rio Mamore  
TypesHolotype: AMNH 101815. Paratypes: AMNH 6778, 101809-814, 101816-819, 101821, 104558; BMNH 1904.10.29.52; CM 2880, 2946-47; FNMH 35580,161509, MZUSP 6407, UMMZ
60744-45,60749,63922 (2 Specimen),64015, USNM 159787. 
DiagnosisDiagnosis: this is the only Chironius species with a combination of 12 scale rows at midbody, divided anal plate, 163-181 ventrals, immaculate yellowish subcaudals, dorsum brownish ,32-36 maxillary teeth, 2-10 scale rows in males and 2-6 scale rows in females keeled and a mottled ventrolateral pattern on posterior of body and tail [shortened after DIXON et al. 1993: 142].
CommentDistribution: Map in DIXON et al. 1993: 143. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - 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
  • Hollis, J.L. 2006. Phylogenetics of the genus Chironius Fitzinger 1826 (Serpenes, Colubridae) based on morphology. Herpetologica 62 (4): 435-452 - get paper here
  • Miranda, Daniele Bazzo; Nathocley Mendes Venâncio, Saymon de Albuquerque 2014. Rapid survey of the herpetofauna in an area of forest management in eastern Acre, Brazil. Check List 10 (4): 893-899 - 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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