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Leptotyphlops incognitus (BROADLEY & WATSON, 1976)

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Higher TaxaLeptotyphlopidae, Leptotyphlopinae, Leptotyphlopini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Incognito Thread Snake 
SynonymStenostoma nigricans PETERS 1882 (not SCHLEGEL) (part.)
Glauconia conjuncta — GOUGH 1908 (not JAN) (part.)
Glauconia conjuncta — BOULENGER 1908 (part.)
Leptotyphlops conjuncta — FITZSIMONS 1939: 20
Leptotyphlops emini — BOGERT 1940: 14 (not BOULENGER)
Leptotyphlops nigricans — MANAÇAS 1957 (not SCHLEGEL)
Leptotyphlops scutifrons — WILSON 1965: 152 (not PETERS)
Leptotyphlops conjunctus — BROADLEY 1971: 71 (not JAN)
Leptotyphlops conjunctus incognitus BROADLEY & WATSON 1976
Leptotyphlops conjunctus incognitus — AUERBACH 1987: 150
Leptotyphlops conjunctus incognitus — BRANCH 1988: 386
Leptotyphlops conjunctus — BROADLEY & BROADLEY 1999: 21
Leptotyphlops conjunctus — BROADLEY et al. 2003
Leptotyphlops incognitus — BROADLEY & WALLACH 2007: 62
Leptotyphlops incognitus — JACOBSEN et al. 2010
Leptotyphlops incognitus — WALLACH et al. 2014: 367
Leptotyphlops incognitus — PIETERSEN et al. 2021 
DistributionS Zambia, S Malawi, N/E Zimbabwe, C/S Mozambique (including the Bazaruto archipelago), E Swaziland, NE South Africa.

Type locality: Umtali, Rhodesia (= Mutare, Zimbabwe)  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: NMZB, previously UM 6121 
DiagnosisDiagnosis: A race of Leptotyphlops conjunctus (Jan), distinguished from the typical form by its high total dorsal (usually 230-292: usually less than 230 in the typical form) and subcaudal (usually 26-35: usually less than 26 in the typical form) counts. Lacking the white patch on the distal subcaudals which is frequently present in typical conjunctus. The subspecific epithet incognitus=unrecognised, refers to the length of time that this form has remained undetected, although common and widely distributed [from BROADLEY & WATSON 1976].


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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
  • Auerbach, R.D. 1987. The Amphibians and Reptiles of Botswana. Mokwepa Consultants, Botswana, 295 pp.
  • Bates, M.F.; Branch, W.R., Bauer, A.M.; Burger, M., Marais, J.; Alexander, G.J. & de Villliers, M.S. (eds.) 2014. Atlas and Red List of the Reptiles of South Africa, Lesotho, and Swaziland. Suricata 1. South African National Biodiversity Institute, Pretoria, 512 pp.
  • Bogert,C.M. 1940. Herpetological results of the Vernay Angola Expedition. I. Snakes, including an arrangement of the African Colubridae. Bull. Amer. Mus. Nat. Hist. 77: 1-107 - get paper here
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  • 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
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  • Gough, L.H. 1908. Catalogue of the South African snakes in the ncollections of the Transvaal Museum, Pretoria, the Albany Museum, Grahamstown, and the State Museum, Bloemfontein. Annals Transvaal Mus. 1: 17-45 - get paper here
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  • Jacobsen, Niels H.G.; Errol W. Pietersen & Darren W. Pietersen 2010. A preliminary herpetological survey of the Vilanculos Coastal Wildlife Sanctuary on the San Sebastian Peninsula, Vilankulo, Mozambique. Herpetology Notes 3: 181-193
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  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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