Llankibatrachus is an extinct genus of prehistoric frogs in the family Pipidae.

They are known from the Ypresian (Casamayoran) Huitrera Formation of Argentina.

[1] The species is known from two deposits near the Nahuel Huapi Lake in north-western Patagonia, Argentina.

The finds include nearly complete specimens with impressions of skin, and individuals of different developmental stages, including tadpoles.

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