Ptyas nigromarginata

Ptyas nigromarginata, commonly known as the green rat snake, is a species of colubrid snake endemic to Asia.[1]

For the species called “green rat snake” in the genus Gonyosoma, see Gonyosoma prasinum

Ptyas nigromarginata
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Ptyas
Species:	P. nigromarginata
Binomial name
Ptyas nigromarginata (Blyth, 1854)[1]
Synonyms
Coluber nigromarginatus Blyth, 1854 Coryphodon carinatus Günther, 1858 (part) Zaocys nigromarginatus — Günther, 1864 Coryphodon dhumnades Jan, 1867 (non Cantor, 1842)[2] Ptyas nigromarginata — David & Das, 2004 Ptyas nigromarginata — Whitaker & Captain, 2004[1]

Geographic range

It is found in Bhutan, Nepal, India (Darjeeling, Sikkim, Assam), Northern Bangladesh, northern Myanmar (= Burma), China (Guizhou, Yunnan, southwestern Sichuan, southeastern Xizang [= Tibet]), and possibly northern Vietnam.[1]

References

1. The Reptile Database. www.reptile-database.org.
2. Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families...Colubridæ Aglyphæ, part. Trustees of the British Museum (Natural History). (Taylor and Francis, Printers). London. xiii + 448 pp. + Plates I. XXVIII. (Zaocys nigromarginatus, p. 376.)

Further reading

• Blyth, E. 1854. Notices and descriptions of various reptiles, new or little known [part 2]. Jour. Asiatic Soc. Bengal, Calcutta 23 (3): 287–302.
• David, P., & I. Das. 2004. On the grammar of the gender of Ptyas Fitzinger, 1843 (Serpentes: Colubridae). Hamadryad 28 (1 & 2): 113–116.
• Jan, G., & F. Sordelli 1867. Iconographie générale des Ophidiens: Vingt-quatrième livraison. Baillière. Paris. Index + Plates I.- VI. (Coryphodon dhumnades [Jan non Cantor], Plate IV., Figure 1.)
• Lazell, J.D.; J.E. Keirans; & G.A. Samuelson. 1991. The Sulawesi black racer, Coluber (Ptyas) dipsas, and a remarkable ectoparasitic aggregation. Pacific Sci. 45 (4): 355–361.
• Lazell, J.D. 1998. Morphology and the status of the snake genus "Ptyas". Herpetological Review 29 (3): 134.