Trachischium
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Trachischium is a genus of snakes, known commonly as slender snakes or worm-eating snakes, in the subfamily Natricinae of the family Colubridae.[1] The genus is endemic to Asia.
Geographic range
Species of the genus Trachischium are found through montane regions of the countries of Bangladesh, Bhutan, China, India, and Nepal.
Description
Snakes of the genus Trachischium exhibit the following characters: head not distinct from neck; eye small, with vertically subelliptic pupil; nostril between two small nasals; prefrontals sometimes united; body cylindrical; dorsal scales smooth, in 13 or 15 rows, without apical pits; ventrals rounded; tail short; subcaudals divided; maxillary teeth 18–20, subequal; posterior mandibular teeth shorter than anterior; hypapophyses developed throughout vertebral column.[2]
Species
There are 7 species in the genus Trachischium which are recognized as being valid.[1]
- Trachischium apteii Bhosale, Gowande, & Mirza, 2019Script error: No such module "Check for unknown parameters".
- Trachischium fuscum (Blyth, 1854)Script error: No such module "Check for unknown parameters". – blackbelly worm-eating snake, Darjeeling slender snake
- Trachischium guentheri Boulenger, 1890Script error: No such module "Check for unknown parameters". – Günther's worm-eating snake, rosebelly worm-eating snake
- Trachischium laeve Peracca, 1904Script error: No such module "Check for unknown parameters". – olive Oriental slender snake
- Trachischium monticola (Cantor, 1839)Script error: No such module "Check for unknown parameters". – mountain worm-eating snake
- Trachischium sushantai Raha, S. Das, Bag, Debnath & Pramanick, 2018Script error: No such module "Check for unknown parameters". – Sushanta's worm-eating snake
- Trachischium tenuiceps (Blyth, 1854)Script error: No such module "Check for unknown parameters". – yellowbelly worm-eating snake
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Trachischium.
References
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- ↑ a b Trachischium at the Reptarium.cz Reptile Database. Accessed 19 October 2018.
- ↑ Boulenger GA (1893). Catalogue of the Snakes in the British Museum (Natural History), Volume I., Containing the Families ... Colubridæ Aglyphæ, part. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I-XXVIII. (Genus Trachischium, p. 297).
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Further reading
- Boulenger GA (1890). The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. London: Secretary of State for India in Council. (Taylor and Francis, printers). xviii + 541 pp. (Genus Trachischium, p. 284).
- Günther A (1858). Catalogue of Colubrine Snakes in the Collection of the British Museum. London: Trustees of the British Museum. (Taylor and Francis, printers). xvi + 281 pp. (Trachischium, new genus, p. 30).
- Smith MA (1943). The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Reptilia and Amphibia. Vol. III.—Serpentes. London: Secretary of State for India. (Taylor and Francis, printers). xii + 583 pp. (Genus Trachischium, p. 321).