Family Typhopidae (Blind Snakes)
Family Cylindrophiidae (Asia Pipe Snakes)
Family Xenopeltidae (Sunbeam Snakes)
Family Boidae (Pythons)
Family Acrochordidae (Wart Snakes)
With, with *1 characterized kinds it is momentarily not clear whether these kinds actually occur in Thailand or whether it concerns a synonym of another kind/subspecies.
*2 RAWLINGS et al. transfered Python reticulatuns in the new genus Broghammerus. If this change will be generally accepted remains to be seen.