Lithodytes lineatus is widely distributed in the Amazon and currently found in the Cerrado domain. We document two new records of the species in the transition zone of Amazon-Cerrado located in the state of Tocantins, Brazil. These records extend the geographic distribution of this species and help to fill information gaps in the state of Tocantins, Brazil.

Herein, we report a new record of the milk frog Trachycephalus coriaceusfor the Brazilian southern Amazonia and provide an updated geographic distribution map. We collected one specimen of T. coriaceuson 8 november 2016, during a nocturnal survey inside a dense ombrophilousforest in the right bank of the Teles Pires River, municipality of Jacareacanga, southern of Pará State. The record of T. coriaceusto Jacareacanga is the first to the State. The disjoint geographic distribution of this species along de Amazonia may just reflect the paucity of amphibian knowledge throughout this biome and the difficulty to detect this species in the field, given its explosive reproductive behavior.

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