FIGURE 6 in Description of three Rhacophorus tadpoles (Lissamphibia: Anura: Rhacophoridae) from Sarawak, Malaysia (Borneo)

FIGURE 6. SEM image of Rhacophorus penanorum (ZMH A10169). A, Overview of oral disc in ventral view; anterior keratodont rows (A1–4) and posterior keratodont rows (P1-6) visible, note that seventh keratodont row on lower lip (P7) is present only as a small medial stretch of keratodonts and not visible from this perspective; LTRF 4(4)/7. B, Close up of the jaw sheaths; orientation as in A; showing details of conspicuously blunt serration on both upper (above) and lower jaws (below). C, Keratodonts of P3–P6 in lateral part of oral disc have possess serration of free margin, however, clefts are shallow. D, On keratodonts of P1–P3 serration is present only on newly formed keratodonts (right), whereas older ones seem to lack serration possibly due to wear.