Trachischium

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Trachischium

From Wikipedia, the free encyclopedia

Trachischium

Trachischium tenuiceps (yellowbelly worm-eating snake)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Subfamily:	Natricinae
Genus:	Trachischium Günther, 1858

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

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Species of the genus Trachischium are found through montane regions of the countries of Bangladesh, Bhutan, China, India, and Nepal.

Description

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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

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There are 7 species in the genus Trachischium which are recognized as being valid.^[1]

Trachischium apteii Bhosale, Gowande, & Mirza, 2019
Trachischium fuscum (Blyth, 1854) – blackbelly worm-eating snake, Darjeeling slender snake
Trachischium guentheri Boulenger, 1890 – Günther's worm-eating snake, rosebelly worm-eating snake
Trachischium laeve Peracca, 1904 – olive Oriental slender snake
Trachischium monticola (Cantor, 1839) – mountain worm-eating snake
Trachischium sushantai Raha, S. Das, Bag, Debnath & Pramanick, 2018 – Sushanta's worm-eating snake
Trachischium tenuiceps (Blyth, 1854) – 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).

Geographic range

Description

Species

References

Further reading