Melanophryniscus estebani Céspedez, 2008, FACENA, 24: 37. Holotype: ZVUNRC1887, by original designation. Type locality: "Alpa Corral, Sierra de Comechingones, Departamento de Río Cuarto, Córdoba, Argentina".
None noted.
Known only from Alpa Corral, Córdoba Province, and La Carolina, San Luis Province, central Argentina.
In the Melanophryniscus stelzneri group according to the original publication.
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