Leptotyphlops jacobseni BROADLEY & BROADLEY, 1999

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Higher Taxa	Leptotyphlopidae, Leptotyphlopinae, Leptotyphlopini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Jacobsen’s Thread Snake
Synonym	Leptotyphlops jacobseni BROADLEY & BROADLEY 1999: 19 Glauconia nigricans ROUX 1907: 730 (not SCHLEGEL) Glauconia conjuncta FITZSIMONS 1930: 39 (not JAN) (part.) Leptotyphlops nigricans nigricans — BROADLEY & WATSON 1976 (part.) Leptotyphlops nigricans nigricans — JACOBSEN 1989 Leptotyphlops jacobseni — BROADLEY & WALLACH 2007: 57 Leptotyphlops jacobseni — ADALSTEINSSON, BRANCH, TRAPE, VITT & HEDGES 2009 Leptotyphlops jacobseni — WALLACH et al. 2014: 368
Distribution	Republic of South Africa Type locality: Buffelsvley, 388KT Lydenburg District, Mpumalanga Province, South Africa (24°52’S, 30°19’E).
Reproduction	oviparous
Types	Holotype: DNMNH (= TM) 57919
Diagnosis	Diagnosis: Skull with a single parietal bone. A sibling species of L. nigricans, distinguished by its higher number of middorsal scales., i.e. 244-289 vs 202-260, it also has a shorter tail and attains a larger size. It is endemic to the Afromontane zone in the Northern and Mpumalanga Provinces of South Africa, being separated by a gap of 700 km from L. nigricans, which occurs at low altitudes in the south of the country. (Broadley & Broadley 1999) Additional details (1577 characters) are available for collaborators and contributors. Please contact us for details.
Comment
Etymology	Named after Niels Jacobsen, who suggested in his 1989 thesis that this population might warrant subspecific status.
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 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. Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here Broadley, D.G. & WATSON,G. 1976. A revision of the Worm Snakes of South-eastern Africa (Serpentes: Leptotyphlopidae). Occ. Pap. nation. Mus. Rhodesia Bulawayo, (BS) 1976: (8): 465-510 Broadley, Donald G. & Broadley, Sheila 1999. A review of the Arican wormsnakes from South of Latitude 12°S (Serpentes: Leptotyphlopidae). Syntarsus 5: 1-36 Broadley, Donald G. & Wallach, V. 2007. A revision of the genus Leptotyphlops in northeastern Africa and southwestern Arabia (Serpentes: Leptotyphlopidae). Zootaxa 1408: 1–78 - get paper here Hedges, S.B., Marion, A.B., Lipp, K.M., Marin, J. & Vidal, N. 2014. A taxonomic framework for typhlopid snakes from the Caribbean and other regions (Reptilia, Squamata). Caribbean Herpetology 49: 1–61 - get paper here Jacobsen, N. H. G. 1989. A herpetological survey of the Transvaal. Unpubl. thesis, Univ. Natal, South Africa Roux,J. 1907. Beiträge zur Kenntnis der Fauna von Süd-Afrika. VIII. Ophidia. Zool. Jahrb., Abt. Syst., Geogr. Biol. Tiere (Jena), 25: 732-741 - get paper here 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.
External links	IUCN Red List Google images

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