This frog was found at night on a large boulder along the edge of a stream bordering the small town of Mutengene in southwest Cameroon.
Petropedetinae are a subfamily of frogs. They are placed in the true frog family (Ranidae) by many authors. But this is quite disputed and at least part of this group is often treated as a distinct family Petropedetidae, in which case the Cacosterninae and Phrynobatrachinae are usually separated as subfamilies or even distinct families Cacosternidae and Phrynobatrachidae. These frogs are essentially limited to sub-Saharan Africa, with the highest diversity - and as it seems their evolutionary...
