Opisthodon is a small genus of Limnodynastine frogs with only two species. Until a major revision in 2006 these two species were classified in the genus Limnodynastes

Limnodynastes

Limnodynastes is a genus of frog native to Australia, southern New Guinea and some Torres Strait Islands. They are ground-dwelling frogs, with no toe pads. The size varies from 45 mm to 90 mm in the Giant Banjo Frog. The webbing on the feet ranges between species, from very little, to almost complete...

but were removed to this resurrected genus to render monophyletic genera http://digitallibrary.amnh.org/dspace/bitstream/2246/5781/1/B297.pdf.

Both species are terrestrial and burrowing, spend much times under ground, particularly during drier periods. They inhabit a range of environments from arid areas to wet forest. Breeding occurs after rain, and males call from temporary or permanent water.

The species in this genus are quite similar physically to many frogs in Limnodynastes, they also share many of the same habits of that genus including: burrowing, a "tok" like call and foamy egg nest (which in Opisthodon breaks down after a few hours).

Species

Common name	Binomial name
Ornate Burrowing Frog Ornate Burrowing Frog The Ornate Burrowing Frog formerly is a species of ground frog native to Australia. It was moved to the genus Opisthodon in 2006 following a major revision of amphibians .-Physical description:...	Opisthodon ornatus
Spencer’s Burrowing Frog	Opisthodon spenceri