a. Pupil horizontal
α. Terminal phalanges T-shaped, with discs. Tympanum distinct. .......... Plectromantis, 2 species in Western South America.
β. Terminal phalanges simple; tips not dilated into regular discs.
1. Tympanum distinct.
Sacral diapophyses slightly dilated. .......... Edalorhina, 3 species in Ecuador and Peru.
Sacral diapophyses not dilated. .......... Leptodactylus, p. [218].
2. Tympanum indistinct or hidden, Paludicola, p. [220].
b. Pupil vertical. Terminal phalanges simple and not dilated. Chili.
α. Tongue slightly nicked .......... Limnomedusa macroglossa.
β. Tongue entire, but free behind. Digits very long. .......... Hylorhina silvatica.