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Polemon gracilis (BOULENGER, 1911)

IUCN Red List - Polemon gracilis - Least Concern, LC
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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). 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 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 - get paper here
 
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