Platymantis megabotoniviti
The Giant Fiji ground frog (Platymantis megabotoniviti) is a frog. This frog is not alive now. It lived long ago. Scientists found its bones in Fiji, in caves in Viti Levu.
This frog was larger than other frogs in Platymantis. Scientists say they all died after humans came to Fiji. The humans brought rodents with them.
References
Frogs of Asia