Oocormus Boulenger, 1905 Zachaenus is a genus of frogs in the family Cycloramphidae.

There are two species that both are endemic to southeastern Brazil.

[1][2] Common name bug-eyed frogs has been coined for the genus.

[1] Zachaenus are leaf-litter inhabitants of the Atlantic rainforest of southeastern Brazil.

This Hyloidea-related article is a stub.