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Polemon gracilis (BOULENGER, 1911)

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Higher TaxaAtractaspididae (Aparallactinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Graceful Snake-eater 
SynonymElapocalamus gracilis BOULENGER 1911: 371
Elapocalamus gracilis — DE WITTE & LAURENT 1947: 90
Polemon gracilis — RESETAR & MARX 1981
Polemon (Miodon) gracilis — LEBRETON 1999
Polemon gracilis — CHIRIO & LEBRETON 2007: 650
Polemon gracilis — WALLACH et al. 2014: 573
Polemon gracilis — CHIPPAUX & JACKSON 2019: 180 
DistributionSouth Cameroon, Congo (Brazzaville) ?

Type locality: “Bitye”  
Reproductionoviparous 
TypesType: BMNH 1946.1.8.86 (and possibly additional specimens). 
DiagnosisAdditional details, e.g. a detailed description or comparisons (875 characters), are available for collaborators and contributors. Please contact us for details. 
CommentVenomous!

Distribution: Probably occurs in the Congo too (TRAPE & ROUX-ESTÈVE 1995). Listed for Gabon by Chirio & Lebreton 2007 but Pauwels 2008 says explicitly it’s not in Gabon.

Type species: Elapocalamus gracilis BOULENGER 1911: 371 is the type species of the genus Elapocalamus BOULENGER 1911. 
EtymologyNamed after Latin “gracilis”, meaning small or lanky, or gracile. 
References
  • Boulenger, G.A. 1911. Descriptions of three new snakes discovered by Mr. G.L. Bates in South Cameroon. Ann. Mag. nat. Hist. (8) 8: 370-371 - get paper here
  • Chippaux, Jean-Philippe & Kate Jackson 2019. Snakes of Central and Western Africa. Johns Hopkins University Press, 448 pp. [detaileld review in HR 51 (1): 161] - get paper here
  • Chirio, L. & Lebreton, M. 2007. Atlas des reptiles du Cameroun. MNHN, IRD, Paris 688 pp.
  • Hughes, B. 1983. African snake faunas. Bonner Zoologische Beiträge 34: 311-356 - get paper here
  • LeBreton, Matthew 1999. A working checklist of the herpetofauna of Cameroon. Netherlands Committee for IUCN, 160 pp.
  • Resetar, A.R. & H. MARX 1981. A redescription and generic reallocation of the African colubrid snake Elapocalamus gracilis Boulenger with a discussion of the union of the brille and postocular shield. Journal of Herpetology 15 (1): 83-89. - get paper here
  • Trape, J.F. & R. ROUX-ESTÈVE 1995. Les serpents du Congo: liste commentée et clé de détermination. Journal of African Zoology 109 (1): 31-50
  • 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.
  • Witte, G. F. de & LAURENT,R.F. 1947. Revision d'un groupe de Colubridae africains: genres Calamelaps, Miodon, Aparallactus, et formes affines. Mém. Mus. Roy. Hist. Nat. Belgique (sér. 2) 29: 1-134
 
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