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Xenocalamus mechowii PETERS, 1881

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Higher TaxaAtractaspididae (Aparallactinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
SubspeciesXenocalamus mechowii inornatus WITTE & LAURENT 1947
Xenocalamus mechowii mechowii PETERS 1881 
Common NamesE: Elongate Quill-snouted Snake 
SynonymXenocalamus mechowii PETERS 1881: 147
Xenocalamus Mechovii — BOULENGER 1897: 279
Xenocalamus mechowii — FITZSIMONS 1946
Xenocalamus mechowii mechowii — WITTE & LAURENT 1947: 51
Xenocalamus mechowi mechowi — LAURENT 1954: 45
Xenocalamus mechowii — WELCH 1994: 125
Xenocalamus mechowii — TRAPE & ROUX-ESTÈVE 1995: 43
Xenocalamus mechowii — BROADLEY et al. 2003: 88
Xenocalamus mechowii — WALLACH et al. 2014: 796
Amblyodipsas mechowii— FIGUEROA et al. 2016 (by implication)
Xenocalamus mechowii mechowii — MARQUES et al. 2018

Xenocalamus mechowii inornatus WITTE & LAURENT 1947: 51
Xenocalamus mechowii inornatus — BROADLEY 1962
Xenocalamus mechowii inornatus — AUERBACH 1987: 175
Xenocalamus mechowii inornatus — BARTS & HAACKE 1997
Xenocalamus mechowii inornatus — CONRADIE et al. 2016
Xenocalamus mechowii inornatus — MARQUES et al. 2018 
DistributionN Namibia, Botswana, SW Zimbabwe, Zambia, N Angola, W/C/S Democratic Republic of the Congo (Zaire), Congo (Brazzaville)

Type locality: “Malange” [= Malanje, Angola]  
Reproductionoviparous 
TypesHolotype: ZMB 10044
Holotype: SAM 19719 (collector unknown) (fide Marques et a. 2018) [inornatus] 
Diagnosis 
CommentVenomous! Specimens from the North Western Province in Zambia have been regarded as mechowii x inornatus intergrades (Broadley 1971). 
EtymologyNamed after Major Friedrich Wilhelm Alexander von Mechow (1831-1890), an explorer and naturalist who led several expeditions to Angola (1873-1882). He was born in Silesia and at a young age joined the Prussian army. 
References
  • Auerbach, R.D. 1987. The Amphibians and Reptiles of Botswana. Mokwepa Consultants, Botswana, 295 pp.
  • Barts, M. & W. D. Haacke 1997. Zur Reptilienfauna der Tsodilo - Berge und angrenzender Gebiete in NW - Botswana Teil II: Sauria II; Serpents. Sauria 19 (4): 15-21 - get paper here
  • Bates, M. F. 1988. Geographical Distribution - Xenocalamus mechowii inornatus. J. Herp. Assoc. Africa (34): 50-50 - get paper here
  • Bauer, A.M.; Günther,R. & Klipfel,M. 1995. The herpetological contributions of Wilhelm C.H. Peters (1815-1883). SSAR Facsimile Reprints in Herpetology, 714 pp.
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, G. A. 1897. A list of reptiles and batrachians from the Congo Free State, with the description of two new snakes. Ann. Mag. nat. Hist. (6) 19: 276-281 - get paper here
  • Broadley, D. & Blaylock 2013. The Snakes of Zimbabwe and Botswana. Chimaira, Frankfurt, 387 pp. [book review in Sauria 35 (2): 59 and Copeia 2014: 388] - get paper here
  • Broadley, D. G. 1971. A revision of the African snake genera Amblyodipsas and Xenocalamus. Occ. Pap. natl. Mus. Rhod. B4 (33): 629-697
  • Broadley, D.G. 1962. On some reptile collections from the North-Western and North-Eastern Districts of Southern Rhodesia 1958-1961, with descriptions of four new lizards. Occ. Pap. Nat. Mus. South. Rhodesia 26 (B): 787-843
  • Broadley, D.G. 1998. The reptilian fauna of the Democratic Republic of the Congo (Congo-Kinshasa). In: Schmidt, K.P. and Noble, G.K., Contributions to the Herpetology of the Belgian Congo... [reprint of the 1919 and 1923 papers]. SSAR Facsimile reprints in Herpetology, 780 pp.
  • Broadley, D.G.; Doria, C.T. & Wigge, J. 2003. Snakes of Zambia. An Atlas and Field Guide. Edition Chimaira, Frankfurt, 280 pp. [review in Sauria 26 (3): 21]
  • Chifundera, K. 1990. Snakes of Zaire and their bites. Afr. Stud. Monogr. (Kyoto) 10(3): 137-157.
  • 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
  • Conradie W and Branch WR. 2016. The herpetofauna of the Cubango, Cuito, and lower Cuando river catchments of south-eastern Angola. Amphibian & Reptile Conservation 10 (2) [Special Section]: 6–36 - get paper here
  • CONRADIE, WERNER; NINDA L. BAPTISTA, LUKE VERBURGT, CHAD KEATES, JAMES HARVEY, TIMOTEO JULIO & GOTZ NEEF. 2021. Contributions to the herpetofauna of the Angolan Okavango-Cuando-Zambezi river drainages. Part 1: Serpentes (snakes). Amphibian & Reptile Conservation 15(2): 244–278. - get paper here
  • Figueroa A, McKelvy AD, Grismer LL, Bell CD, Lailvaux SP 2016. A Species-Level Phylogeny of Extant Snakes with Description of a New Colubrid Subfamily and Genus. PLoS One 11 (9): e0161070.doi:10.1371/journal.pone.0161070 - get paper here
  • Fitzsimons, V. 1946. Notes on some African Snakes, including a discription of a new subspecies of Xenocalamus. Annals Transvaal Mus. 20 (4): 379-394 - get paper here
  • Herrmann, H.-W.; W.R. Branch 2013. Fifty years of herpetological research in the Namib Desert and Namibia with an updated and annotated species checklist. Journal of Arid Environments 93: 94–115 - get paper here
  • Laurent, RAYMOND F. 1954. Reptiles et batraciens de la région de Dundo (Angola) (Deuxième note). Companhia de Diamantes de Angola (Diamang), Serviços Culturais, Publicações Culturais, No. 23: 37-84
  • Marques, Mariana P.; Luis M. P. Ceríaco , David C. Blackburn , and Aaron M. Bauer 2018. Diversity and Distribution of the Amphibians and Terrestrial Reptiles of Angola -- Atlas of Historical and Bibliographic Records (1840–2017). Proc. Cal. Acad. Sci. (Ser. 4) 65: 1-501 (Supplement II)
  • Peters, Wilhem Carl Hartwig 1881. Zwei neue von Herrn Major von Mechow während seiner letzten Expedition nach West-Afrika entdeckte Schlangen und eine Übersicht der von ihm mitgebrachten herpetologischen Sammlung. Sitzungsber. Ges. naturf. Freunde Berlin 1881 (9): 147-150 - get paper here
  • Pietersen DW, Pietersen EW, Conradie W. 2017. Preliminary herpetological survey of Ngonye Falls and surrounding regions in south-western Zambia. Amphibian & Reptile Conservation 11(1) [Special Section]: 24–43 (e148 - get paper here
  • Pietersen, Darren, Verburgt, Luke & Davies, John 2021. Snakes and other reptiles of Zambia and Malawi. Struik Nature / Penguin Random House South Africa, 376 pp., ISBN 9781775847373
  • 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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