Fig 1. Example of oral deformities found among the studied tadpoles.
(A) and (B) = normal tadpoles; (C) = tadpole with dekeratinized jaw sheaths (black arrows) and generalized dekeratinization in tooth rows; (D) = tadpole with dekeratinized upper jaw sheath (black arrow). Upper images Boana albopunctata, and lower images Scinax hayii.