Amazophrynella

• Siona Amazonian Toadlet Amazophrynella siona

  In adult males, the dorsal skin is finely grainy. In adult males, the snout is acute in lateral view. In adult males, finger I is shorter than finger II. It lives in leaf litter in primary and secondary forest, including terra firme and flooded forest, and in swamps. It is active by day and rests on leaves at night, usually less than 50 cm above the ground. It has been recorded in Orellana, Sucumbíos and Pastaza provinces in Ecuador, and Andoas in northern Loreto, Peru.

• Amazophrynella teko

  In adult males, the dorsal skin is grainy. In adult males, the snout is acute in lateral view. In adult males, finger I is shorter than finger II. It is active by day and at twilight, and also at night during peak breeding, which normally falls at the beginning of the rainy season in January–February. It has been recorded in Saint Laurent du Maroni, Saint Georges and Camopi in French Guiana, Amapá State in Brazil, and southern Suriname.

• Amazophrynella xinguensis

  In adult males, the dorsal skin is highly granular, with small rounded tubercles. In adult males, the palmar tubercle is ovoid. In adult males, the upper jaw projects beyond the lower jaw in lateral view. It is found amidst leaf litter, where males were found hidden. It reproduces in tiny puddles during the rainy season. It has been recorded at three localities in Pará, Brazil: PDS Virola Jatobá in Anapú, Fazenda Paraíso in Senador José Porfírio, and Ramal dos Cocos.