Sabah Earless Toad
As the name denotes, this species is known from Sabah. It is earless. It lacks a tympanum, tympanic annulus, columella, and eustachian tube.
The head is without bony crests; parotoid glands are absent. The tips of the outer fingers are expanded into spatulate discs. The subarticular tubercles are present, but weak. The toe webbing is moderately developed. The males do not have vocal sac opening or mandibular spines.
Many egges have been found in females, eggs are small and unpigmented. The tadpole has been described as possessing expanded mouthparts and an abdominal sucker, and the absence of upper jaw sheath. However, tadpoles have rarely been found.