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Hebius kerinciense (DAVID & DAS, 2003)

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymAmphiesma kerinciense DAVID & DAS 2003
Hebius kerinciense — GUO et al. 2014
Amphiesma kerinciense — WALLACH et al. 2014: 30 
DistributionIndonesia (western Sumatra)

Type locality: slopes of Gunung Kerinci [= Mount Kerinci], western Sumatra, Indonesia  
Reproductionoviparous 
TypesHolotype: ZRC 2.3521 (Zoological Reference Collection of the Raffles Museum of Biodiversity Research, National University of Singapore) 
CommentKnown from a single specimen only.

Diagnosis. – A species of the genus Amphiesma, characterized by: (1) a stout body; (2) a moderately large eye (see below); (3) 19 scale rows at midbody, strongly keeled on upper rows, many of which are distinctly notched posteriorly; scales of first dorsal row enlarged, feebly keeled; (4) a single preocular; (5) a broad, dark vertebral band, with irregularly placed dark scales producing faint and irregular, discontinuous crossbars; (6) a faint pale ochre brown dorsolateral stripe bordering the vertebral band on each side, widening to produce three or four irregular blotches on the neck; (7) two distinct postocular streaks (see the description below) and (8) ventral scales purple greyish-brown at their outer border, with a row of well defined dark brown blotches at 3/4 of their width.

This species differs from all other members of the genus by the combination of these characters. Especially diagnostic are the combination of the dorsal colour and pattern, the single preocular and the notching of the dorsal scales. These and other characters are detailed below in the discussion. 
EtymologyNamed after the type locality. 
References
  • David, P. & Das, I. 2003. A new species of the snake genus Amphiesma (Serpentes: Colubridae: Natricinae) from Western Sumatra, Indonesia. Raffles Bulletin of Zoology 51(2): 413-419 - get paper here
  • GUO, PENG; FEI ZHU, QIN LIU, LIANG ZHANG, JIAN X. LI, YU Y. HUANG & R. ALEXANDER PYRON 2014. A taxonomic revision of the Asian keelback snakes, genus Amphiesma (Serpentes: Colubridae: Natricinae), with description of a new species. Zootaxa 3873 (4): 425–440 - get paper here
  • TEYNIÉ, ALEXANDRE; PATRICK DAVID, & ANNEMARIE OHLER 2010. Note on a collection of Amphibians and Reptiles from Western Sumatra (Indonesia), with the description of a new species of the genus Bufo. Zootaxa 2416: 1–43 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
  • Ziegler, T., and Quyet, L.K. 2006. A new natricine snake of the genus Amphiesma (Squamata: Colubridae: Natricinae) from the central Truong Son, Vietnam. Zootaxa 1225:39-56 - get paper here
 
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