Kalophrynus is a genus of microhylid frogs. It is the only genus in the subfamily Kalophryninae. The species in this genus are found in southern China, in Southeast Asia to Java and Philippines, and in Assam, India.
Pelophryne rhopophilia, also known as lowland dwarf toad, is a species of toad in the family Bufonidae. It is endemic to Borneo and found in north-eastern and south-western Sarawak (Malaysia) and (likely) in adjacent West Kalimantan (Indonesia).
Leptobrachella palmata is a species of frog in the family Megophryidae. It is endemic to Borneo, and only known from its type locality in Lipaso Forest Reserve, Sabah, Malaysia. It has not been found in the nearby Gunung Mulu National Park, despite many surveys there. Common names palm Borneo frog and palm dwarf litter frog have been coined for it.
Leptobrachella parva is a species of amphibians in the family Megophryidae. It is endemic to Borneo and found in Sarawak and Sabah, Malaysia. Its natural habitats are tropical moist lowland forests and rivers. It is locally abundant but threatened by habitat loss.
Glyphoglossus smithi, also known as Smith's squat frog or Smith's burrowing frog, is a species of frog in the family Microhylidae. It is endemic to Sabah and Sarawak in Malaysian Borneo. However, it is likely to occur more widely than currently known and be present in Brunei and Indonesia. The specific name smithi honours Dr Harrison Willard Smith, an American scientist who collected the holotype from the Limbang River district.
Kalophrynus baluensis is a species of frog in the family Microhylidae. It is endemic to Mount Kinabalu in Sabah.
Kalophrynus eok is a species of frog in the family Microhylidae. It is endemic to Borneo and currently only known from its type locality in the Kelabit Highlands of Sarawak, Malaysia, but presumably, it also occurs in the adjacent Kalimantan, Indonesia. The specific name eok is Kelabit for "tiny" and refers to the small size of this species. Common names eok sticky frog and small Bario sticky frog have been coined for it.
Kalophrynus intermedius is a species of frog in the family Microhylidae. It is endemic to Borneo and is found in Brunei, south-central Sarawak (Malaysia), and Kalimantan (Indonesia). Common names intermediate sticky frog, Sarawak grainy frog, and Mengiong sticky frog have been proposed for it.
Kalophrynus menglienicus is a species of frog in the family Microhylidae. It is known from the vicinity of its type locality in Menglian County in southern Yunnnan, China, and from northern Vietnam; it is likely to occur in adjacent Myanmar and northern Laos. Common names Menglien grainy frog, Menglien narrow-mouthed frog, and Menglien dwarf sticky frog have been coined for this species, in reference to the type locality, as is the specific name menglienicus.
Kalophrynus minusculus is a species of frog in the family Microhylidae. It is endemic to Indonesia and occurs on extreme western Java and on the southeastern tip of Sumatra. It is a relatively small frog, as suggested by its specific name minusculus and vernacular names small sticky frog and dwarf sticky frog.
Kalophrynus robinsoni 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.
Kalophrynus subterrestris is a species of frog in the family Microhylidae. It endemic to Borneo where it is known from Sabah and Sarawak (Malaysia), although it is also presumed to be present in Kalimantan (Indonesia) and Brunei. Common names burrowing grainy frog and Labang sticky frog have been coined for this species.
Kaloula walteri is a species of frog in the family Microhylidae. It is endemic to the Philippines, where it is found in the mountains of southeastern Luzon Island and Polillo Island. The specific name walteri honors Walter C. Brown, an American herpetologist. Common name Walter's narrow-mouthed frog has been proposed for it. Kaloula walteri is most closely related to Kaloula rigida.
Meristogenys poecilus is a species of frog in the family Ranidae. It is endemic to Borneo and known from between central Sarawak (Malaysia) and central Kalimantan (Indonesia). The specific name poecilus is derived from the Greek poikolos, meaning "pied" or "blotched", in reference to diagnostic pattern on rear of the thigh. Common name Malaysian Borneo frog has been coined for this species.
Philautus ingeri is a species of frog in the family Rhacophoridae. It is endemic to northern Borneo and found in Sabah, Sarawak, Brunei, and adjacent northern Kalimantan (Indonesia). Common names Inger's bush frog and Inger's bubble-nest frog have been coined for it. It is named for Robert F. Inger, American zoologist from the Field Museum of Natural History.
Philautus mjobergi is a species of frog in the family Rhacophoridae. It is endemic to northern Borneo and found in Kalimantan (Indonesia) and Sarawak (Malaysia). The specific name mjobergi honours Eric Mjöberg, a Swedish naturalist, ethnographer, and explorer. Common names Murud bubble-nest frog and Mjöberg's bush frog have been coined for it.
Philautus umbra is a species of frog in the family Rhacophoridae. It is endemic to Borneo and only known from Mount Api in northern Sarawak, Malaysia, although it might also occur in the adjacent Brunei.
Leptomantis gauni is a species of frog in the family Rhacophoridae. It is endemic to Borneo and is found in Sabah and central Sarawak (Malaysia), Brunei, and north-eastern Kalimantan (Indonesia). The specific name gauni honours Gaun Sureng, a collector for the Sarawak Museum and a companion to Robert F. Inger on field trips when this species was observed. Common names short-nosed tree frog and Inger's flying frog have been coined for it.
Pelophryne murudensis, also known as the Murud dwarf toad, is a species of toad in the family Bufonidae. It is endemic to Mount Murud in Sarawak, Borneo.
Kalophrynus yongi is a species of frog in the family Microhylidae, also known as the Cameron Highland sticky frog. It is endemic to Peninsular Malaysia and is only known from its type locality near the top of Gunung Brinchang, in the Cameron Highlands, Pahang state. The specific name yongi honours Dr. Yong Hoi-Sen, a zoologist from the University of Malaya.
