Heteroliodon

Heteroliodon is a genus of snake in the pseudoxyrhophiid family found only on the island of Madagascar. They are harmless to humans.

Species
Three species are currently recognized.
 * Heteroliodon fohy - Glaw, Vences, & Nussbaum, 2005
 * Heteroliodon lava - Nussbaum & Raxworthy, 2000
 * Heteroliodon occipitalis - (Boulenger, 1896)