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Platymantis guentheri is a small and slender terrestrial frog species. Most males attain maturity at a snout-vent length of about 24 mm and females at about 27 mm. Skin of the dorsum is rough, rarely smooth, without longitudinal folds except for a very short pair in the shoulder region or middle of the back, which is seen occasionally. The lower abdomen and the posterior and lower surface of the thighs are granular. Its head is relatively narrow. The snout is tapering, roundly pointed, and its length is greater than the diameter of the eye. The tympanum is distinct with its diameter greater than one-half the diameter of the eye. Vomerine teeth are prominent. The hind limbs are long at about 185% to 208% of its snout-vent length. The finger discs are well developed, truncated, and the diameter of disc of the third finger is usually slightly less than 25% of the length of the third finger. Its toes are slender with the tips of toes having rounded discs, which are smaller than those of the fingers. These toes are webbed to the base of the proximal subarticular tubercle of first three toes. Subarticular tubercles are prominent and roundly pointed (Brown and Alcala 1963).

Coloration: The dorsum is more or less uniformly dark, lighter (grayish) with dark markings, with a narrow or broad median light stripe, or with light dorso-lateral stripes. The venter is uniformly light or has brown spots on the anterior abdomen or anterior abdomen and head, and the hind limbs have dark crossbars (Brown and Alcala 1963).

The species was first described by Boulenger, 1882 (Frost 2007).

There have been descriptions of different species that have ultimately been considered to be synonymous with P. guentheri. These include: Cornufer guentheri, Cornufer ingeri, Cornufer ingeri, Cornufer guentheri, and Platymantis ingeri (Frost 2007).


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