Ptyas nigromarginata

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

Ptyas nigromarginata
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Ptyas
P. nigromarginata
Binomial name
Ptyas nigromarginata
(Blyth, 1854)[1]
  • 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]

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

Geographic range[edit]

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


  1. ^ a b c d The Reptile Database.
  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[edit]

  • 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.