Hydrodynastes
# Hydrodynastes

Hydrodynastes is a small genus of large colubrid snakes in the subfamily Dipsadinae. The genus is endemic to South America.

## Species

Two species are recognized.

* Hydrodynastes bicinctus (Herrmann, 1804)
* Hydrodynastes gigas (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)
