Typhlopidae-Check list snakes northern Thailand

Typhlopidae (Blind Snakes)
Family: Typhlopidae. Small and very small snakes resembling earthworms, shiny black or grayish-brown, NO enlarged ventral shields (all body scales have a similar size), head indistinct, reduced eyes.
1. Indotyphlops (Ramphotyphlops) albiceps, the White-headed Blind Snake. A. A specimen from Mueang District, Chiang Mai.
2. Indotyphlops (Ramphotyphlops) braminus,the Flowerpot Snake. B. A specimen from Bangkok (picture© Jonathan Hakin, with thanks!)
3. Argyrophis (Typhlops) diardii (Diard’s Blind Snake). A relatively large blind snake, reaching a length of 40 cm. Upperside shining dark grey, belly light grey or whitish. Often found in decomposed wood. C. A DOR from Phop Phra District, Tak. D. Specimen from Umphang, Tak.
4. Typhlops porrectus, also recorded in northern Thailand, is not depicted here.