Painted Keelback Xenochrophis cerasogaster is a species of Colubrid snake found in Pakistan, Nepal, Bangladesh and India (Assam, Uttar Pradesh). This snake is also called the "Dark Bellied Marsh Snake."
- See snake scales for terminology
Head narrow, elongate, with angular canthus rostralis and slightly concave lores; eye moderate or rather small. Rostral once and one third to twice as broad as long; suture between the internasals nearly as long as that between the prefrontals; frontal much longer than its distance from the end of the snout, as long as the parietals; lorealas long as deep or a little longer than deep; one preocular; two or three postoculars and one or two sub-oculars ; temporals 2+2 or 2+3 ; upper labials 9, fourth (rarely fifth) entering the eye; 5 or 6 lower labials in contact with the anterior chin-shields, which are as long as the posterior or a little shorter. Scales strongly keeled, in 19 rows, ventrals 140-151; anal divided; subcaudals 60-70. Brown above, with or without darker spots and with a more or less distinct paler dorso-lateral band, lower parts cherry-red to purplish black, with a yellowband on each side extending irom the lips to the end of the tail. Total length 2 feet, tail 5.5 inches.
- ↑ Boulenger, G. A. 1890.' 'The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia.
- Günther, Albert. The Fauna of British India, Including Ceylon and Burma. Reptiles. Template:Dead linkhttp://www.strangeark.com/ebooks/IndiaHerps.pdf
- Cantor, T. E. 1839 Spicilegium serpentium indicorum [parts 1 and 2]. Proc. Zool. Soc. London, 7: 31-34, 49-55.