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Four new species of terrestrial-breeding frogs of the genus Phrynopus (Anura: Terrarana: Craugastoridae) from Río Abiseo National Park, Peru

. Zootaxa. 4273, 3 (Jun. 2017), 381–406. DOI:https://doi.org/10.11646/zootaxa.4273.3.4.