(Kalophrynus robinsoni)
Kalophrynus robinsoni (common names: Robinson's grainy frog, Pahang Mountain sticky frog) is a species of frog in the family Microhylidae. It is endemic to Pahang in central Peninsular Malaysia. The specific name robinsoni honours Herbert C. Robinson, a British zoologist and ornithologist. This poorly known species has not been reported since 1922.