Masafumi Matsui (2009)
A new species of Kalophrynus with a unique male humeral spine from Peninsular Malaysia (Amphibia, Anura, Microhylidae)
Zoological Science, 26(8):579-585.
A new microhylid, Kalophrynus yongi, Is described from the Cameron Highlands of Peninsular Malaysia. Morphologically, the new species differs from all known congeners by having a very stout forelimb with a humeral spine in males. Acoustically, it resembles K. baluensis and K. heterochirus and sharply differs from K. interlineatus, K. pleurostigma, K. palmatissimus, and K. nubicola.
Humerus, Animals, Ovum, Larva, Anura, Malaysia, Species Specificity, Animal, Male, Vocalization
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