Sinonatrix Trimerodytes is a genus of snakes in the subfamily Natricinae of the family Colubridae.

The genus is endemic to East Asia and Southeast Asia.

The genus Trimerodytes contains 7 species which are recognized as being valid.

[1] Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Trimerodytes.

This article relating to Natricinae is a stub.