Large White-lipped Frog

''Chalcorana megalonesa'' is a species of true frog in the family Ranidae, the "true frogs". It is endemic to Borneo and is known from both Malaysia and Indonesia . It was split off from ''Rana chalconota'' in 2009 by Robert Inger and colleagues, along with a number of other species. Common name large white-lipped frog has been coined for it.