Anilios nigrescens GRAY, 1845

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Higher Taxa	Typhlopidae (Asiatyphlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Blackish Blind Snake
Synonym	Anilios nigrescens GRAY 1845: 135 Typhlops (Typhlops) nigrescens (Anilios) — JAN 1863: 11 Typhlops rueppelli JAN 1863: 11 Typhlops Temminckii JAN 1864 Typhlops temminckii — JAN, in JAN & SORDELLI 1864 Typhlops rueppelli — JAN 1864 Typhlops nigrescens — JAN 1865: 11 Typhlops (Typhlops) Rüppelli — JAN 1865 Typhlops reginae BOULENGER 1889: 362 Typhlops temminckii — BOULENGER 1893: 29 Typhlops reginae — BOULENGER 1893: 35 Typhlops polygrammicus — WAITE 1918 (part) Typhlops polygrammicus nigrescens — SMITH 1927: 219 Ramphotyphlops nigrescens — ROBB 1966: 676 Typhlina polygrammica — MCDOWELL 1974: 35 Typhlina polygrammica nigrescens — HAHN 1980 Ramphotyphlops nigrescens — MATTISON 1995: 97 Ramphotyphlops nigrescens — MCDIARMID, CAMPBELL & TOURÉ 1999: 70 Ramphotyphlops nigrescens — COGGER 2000: 595 Austrotyphlops nigrescens — WALLACH 2006 Ramphotyphlops nigrescens — WILSON & SWAN 2010: 416 Ramphotyphlops nigrescens — KAY et al. 2013 Ramphotyphlops nigrescens — MARIN et al. 2013 Anilios nigrescens — HEDGES et al. 2014 Ramphotyphlops nigrescens — COGGER 2014: 807 Anilios nigrescens — WALLACH et al. 2014: 40 Anilios nigrescens — TIATRAGUL et la. 2023
Distribution	Australia (New South Wales, Queensland, Victoria) Type locality: Parramatta, New South Wales [lectotype]
Reproduction	oviparous
Types	Lectotype: BMNH 1946.1.11.17, collected G. Newport, designated by COGGER 1983.
Diagnosis	Diagnosis of the genus: Australian-New Guinean clade of blindsnakes having retrocloacal sacs and solid eversible awned hemipenes that retract into the tail in a helical pattern.
Comment	Diet: mainly termites and their larvae. Type species: Anilios nigrescens GRAY 1845 is the type species of the genus Austrotyphlops WALLACH 2006. Anilios nigrescens GRAY 1845 is also the type species of the genus Sivadictus Wells & Wellington 1985: 41.
Etymology	Presumably named after the Latin niger (black) plus the suffix -escens (becoming), in allusion to the dark dorsal coloration. (G. Shea, pers. comm., 9 Feb 2024)
References	Boulenger, G.A. 1889. Descriptions of new Typhlopidæ in the British Museum. Ann. Mag. nat. Hist. (6) 4: 360-363 - 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 Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp. - get paper here Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp. Fitzinger, L. 1843. Systema Reptilium, fasciculus primus, Amblyglossae. Braumüller et Seidel, Wien: 106 pp. - get paper here Gower, D.; Garrett, K. & Stafford, P. 2012. Snakes. Firefly Books, Buffalo, NY,<br />144 p.. Gray, J. E. 1845. Catalogue of the specimens of lizards in the collection of the British Museum. Trustees of die British Museum/Edward Newman, London: xxvii + 289 pp. - 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 Jan, G. 1863. Elenco Sistematico degli Ofidi descriti e disegnati per l'Iconografia Generale. Milano, A. Lombardi. vii + 143 pp. - get paper here Jan, G. 1864. Iconographie générale des ophidiens. 3. Livraison. J.B. Bailière et Fils, Paris - get paper here Jan, G. 1865. Elenco sist. Ophidi: 11 Jan, G. 1865. Iconographie générale des ophidiens. 9. Livraison. J.B. Bailière et Fils, Paris [1864] - get paper here Kay, G.M.; D. Michael; M. Crane; S. Okada; C. MacGregor; D. Florance; D. Trengove; L. McBurney; D. Blair; D.B. Lindenmayer. 2013. A list of reptiles and amphibians from Box Gum Grassy Woodlands in south-eastern Australia. Check List 9 (3):476-481 - get paper here Marin, J., Donnellan, S.C., Hedges, S.B., Puillandre, N., Aplin, K., Doughty, P., Hutchinson, M.N., Couloux, A. & Vidal, N. 2013. Hidden species diversity of Australian burrowing snakes (Ramphotyphlops). Biological Journal of the Linnean Society, doi: 10.1111/bij.12132 - get paper here Mattison, Chris 1995. The Encyclopedia of Snakes. New York: Facts on File, 256 pp. McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp. McDowell, S. B. 1974. A catalogue of the snakes of New Guinea and the Solomons, with special reference to those in the Bernice P. Bishop Museum. Part l. Scolecophidia. Journal of Herpetology 8 (1): 1-57 - get paper here Miller, J.D. & McDonald, K.R. 1977. A note on eggs and hatchlings of the blind snake Typhlina nigrescens Gray. Victorian Naturalist 94: 161-164 - get paper here Mo, M. 2023. Leucism in a Blackish Blind Snake Anilios nigrescens Gray, 1845 in Australia. Russian Journal of Herpetology, 30(6), 539-542 - get paper here Robb,J. 1966. The generic status of Australasian typhlopids (Reptilia: Squamata). Ann. Mag. nat. Hist. (13) 9: 675-679 - get paper here Smith, M. A. 1927. Contribution to the herpetology of the Indo-Australian Region. Proc. Zool. Soc. London, 1: 199-225. Swan, G.; Sadlier, R.; Shea, G. 2017. A field guide to reptiles of New South Wales. Reed New Holland, 328 pp. Tiatragul, S., Skeels, A., & Keogh, J. S. 2023. Paleoenvironmental models for Australia and the impact of aridification on blindsnake diversification. Journal of Biogeography, 50, 1899–1913 - get paper here Wallach, V. 2006. The nomenclatural status of Australian Ramphotyphlops (Serpentes: Typhlopidae). Bull. Maryland Herp. Soc. 42 (1): 8-24 - get paper here Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
External links	IUCN Red List National Center for Biotechnology Information http://www.amonline.net.au/herpetology/research/pdf/typhlopidae.pdf http://3.bp.blogspot.com/-a0FQy8O0U-c/TsNF5atAcdI/AAAAAAAAUsA/qgSYgzeYkZI… http://www.qmuseum.qld.gov.au/features/snakes/snakedetail.asp?TaxName… http://www.arod.com.au/arod/reptilia/Squamata/Typhlopidae/Ramphotyphlops… http://issuu.com/fcastro/docs/www.fernandocastro.org?mode=embed&documentId… http://www.anoleannals.org/2016/10/02/super-honest-dewlaps-and-trait… http://www.anoleannals.org/2017/09/20/request-for-anolis-aquaticus-photos… Google images

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