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Aspidura brachyorrhos (BOIE, 1827)

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Boie's Rough-sided Snake 
SynonymScytale brachyorrhos BOIE 1827: 517
Aspidura scytale — WAGLER 1830: 191
Calamaria scytale SCHLEGEL 1837 (fide SMITH 1943)
Aspidura scytale — DUMÉRIL & BIBRON 1854: 128
Aspidura scytale — JAN 1865
Aspidura brachyorrhos — BOULENGER 1890
Aspidura brachyorrhus — BOULENGER 1893: 311
Aspidura brachyorrhos — WALL 1921: 204
Aspidura brachyorrhos — SMITH 1943: 336
Aspidura brachyorrhos — GANS & FETCHO 1982: 286
Aspidura brachyorrhos — DAS 1996: 54
Aspidura brachyorrhos — MATTISON 2007: 230
Aspidura brachyorrhos — WALLACH et al. 2014: 58 
DistributionSri Lanka

Type locality: "Java," (in error). Corrected to Ceylon by Boie, 1831. Restricted to Sri Lanka by Gans and Fetcho, 1982: 286.  
Reproductionoviparous 
TypesHolotype: lost, was IRSNB, a 207 mm specimen, lost fide Gans and Fetcho, 1982: 285. 
DiagnosisDiagnosis: This species of Aspidura is characterized by having a preocular scale; a prefrontal scale that iS excluded from the orbit by the preocular scale and contacts supralabials two and three; a lower postocular longer than the upper; both postoculars in contact with the parietal scale; and the anterior pair of chin shields two to three times the length of the posterior pair. Seventeen dorsal scale rows are present along the body. The ventral counts range from 134 to 159 (mean = 146.07 + 2.58, N = 29) and those of subcaudals from 25 to 39 (mean = 31.37 ‡ 1.27, N = 27). The subcaudals are undivided. Snout-vent lengths range from 128 mm to 360 mm, tail lengths from 18 mm to 50 mm, midbody diameters from 4 mm to 9.8 mm (Table 2). Females are larger and have more ventrals than do males. There are no obvious differences in the caudal counts of males and females. Fig. 2 compares the major counts, Fig. 3 the body proportions, and Figs. 5, 8, and 10 illustrate specimens. (Gans & Fetcho 1982)


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CommentType species: Scytale brachyorrhos BOIE 1827 is the type species of the genus Aspidura WAGLER 1830: 191. 
References
  • Boie, F. 1827. Bemerkungen über Merrem's Versuch eines Systems der Amphibien, 1. Lieferung: Ophidier. Isis von Oken 20: 508-566. - 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
  • Boulenger, George A. 1890. The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. Taylor & Francis, London, xviii, 541 pp. - get paper here
  • Das, I. & De Silva, A. 2005. Photographic guide to snakes and other reptiles of Sri Lanka. New Holland Publishers, 144 pp.
  • Dayananda, Buddhi, Simeon Bezeng Bezeng, Suranjan Karunarathna, and Ross A Jeffree. 2021. Climate Change Impacts on Tropical Reptiles: Likely Effects and Future Research Needs Based on Sri Lankan Perspectives . Frontiers in Ecology and Evolution - get paper here
  • de Silva, A. 1998. Snakes of Sri Lanka: a checklist and an annotated bibliography. Dept. Wildlife Conservation/ GEF /UNDP/ FAO, Colombo.
  • Gans C; Fetcho J R 1982. The Sri Lankan genus Aspidura (Serpentes, Reptilia, Colubridae). Annals of the Carnegie Museum 51 (14): 271-316 - get paper here
  • Jan, G. 1865. Iconographie générale des ophidiens. 13. Livraison. [Homalosoma mite]. J.B. Bailière et Fils, Paris - get paper here
  • Janzen, P.; Klaas, P. & Ziesmann, S. 2007. Sri Lankas Schlangenfauna. Draco 7 (30): 56-64 - get paper here
  • Karunarathna, Suranjan D. M. S. and A. A. Thasun Amarasinghe 2011. A PRELIMINARY SURVEY OF THE REPTILE FAUNA IN NILGALA FOREST AND ITS VICINITY, MONARAGALA DISTRICT, SRI LANKA. Taprobanica 3 (2): 69-76 - get paper here
  • Mattison, Chris 2007. The New Encyclopedia of Snakes. Princeton University Press
  • Samarawickrama, V.A.M.P.K.; H.I.G.C. Kumara, D.R.N.S. Samarawickrama 2019. Diversity of Reptiles in the Eastern and Southern parts of the Sinharaja Rain Forest. Journal of Tropical Forestry and Environment - get paper here
  • Smith, H. M.; Gloyd, H. K. 1964. Nomenclatural notes on the snake names Scytale, Boa scytale, and Agkistrodon mokasen. Herpetologica 19 (4): 280-282 - get paper here
  • Smith, M.A. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-Region. Reptilia and Amphibia. 3 (Serpentes). Taylor and Francis, London. 583 pp.
  • Taylor, Edward H. 1953. Report on a collection of Ceylonese serpents. Univ. Kansas Sci. Bull. 35 (14): 1615-1624 - get paper here
  • Wall, FRANK 1921. Ophidia Taprobanica or the Snakes of Ceylon. Colombo Mus. (H. R. Cottle, govt. printer), Colombo. xxii, 581 pages - 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.
 
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