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Namibiana rostrata (BOCAGE, 1886)

IUCN Red List - Namibiana rostrata - Data Deficient, DD
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Higher TaxaLeptotyphlopidae, Leptotyphlopinae, Leptotyphlopini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Bocage's Blind Snake, Angolan beaked wormsnake 
SynonymStenostoma rostratum BOCAGE 1886: 173
Glauconia rostrata — BOULENGER 1890
Glauconia rostrata — BOULENGER 1893: 62
Leptotyphlops rostratus — BROADLEY & BROADLEY 1999: 18
Leptotyphlops rostratus — MCDIARMID, CAMPBELL & TOURÉ 1999: 40
Namibiana rostrata — ADALSTEINSSON, BRANCH, TRAPE, VITT & HEDGES 2009
Namibiana rostrata — WALLACH et al. 2014: 473
Namibiana rostrata — CONRADIE et al. 2021 
DistributionW Angola

Type locality: Humbe,Cunene River, Angola.  
Reproductionoviparous 
TypesHolotype: MB (Museu Bocage) destroyed (according to HAHN 1980) 
DiagnosisDiagnosis: Skull with a large frontoparietal foramen. It differs from other members of the group in having a very large rostral which is strongly hooked in lateral view with a sharp edge on the inferior surface. An anterior supralabial present, the posterior supralabial does not reach the level of the eye. Middorsals 241-287; subcaudals 20-23; 12 scale rows on tail; total length/diameter ratio 45-64; total length/ tail ratio 12.8-16.9.
Coloration: Light brown above, paler below. (Broadley & Broadley 1999)


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Comment 
EtymologyNamed after the large snout, from the Latin adjective “rostratus”, meaning beaked. 
References
  • Adalsteinsson, S.A.; Branch, W.R.; Trapé, S.; Vitt, L.J. & Hedges, S.B. 2009. Molecular phylogeny, classification, and biogeography of snakes of the Family Leptotyphlopidae (Reptilia, Squamata). Zootaxa 2244: 1-50 - get paper here
  • Bocage, J.V.B. du 1886. Typhlopiens nouveaux de la Faune africaine. Jorn. Sci. math. phys. nat., Lisboa, 11:171-174 - get paper here
  • Boulenger, G.A. 1890. Description of a new Snake of the Genus Glauconia Gray, obtained by Dr. Emin Pasha on the Victoria Nyanza. Ann. Mag. nat. Hist. (6) 6: 91-93. - get paper here
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Broadley, Donald G. & Broadley, Sheila 1999. A review of the Arican wormsnakes from South of Latitude 12°S (Serpentes: Leptotyphlopidae). Syntarsus 5: 1-36
  • Butler, B O; Ceríaco, L M P; Marques, M P; Bandeira, S; Júlio, T; Heinicke, M P & Bauer, A M; 2019. Herpetological survey of Huíla Province, Southwest Angola, including first records of Bicuar National Park. Herpetological Review 50 (2): 225-240 - 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
  • Hahn D. E. & V. WALLACH, 1998. Comments on the systematics of Old World Leptotyphlops (Serpentes: Leptotyphlopidae), with description of a new species. Hamadryad 23: 50-62 - get paper here
  • 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)
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • 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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