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In page Cronopio (mammal):

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Cronopio was first named by Guillermo W. Rougier, Sebastián Apesteguía and Leandro C. Gaetano in 2011 and the type species is Cronopio dentiacutus. The generic name is named after the fictional characters appearing in the work of Argentinian writer Julio Cortázar.[1][2] The specific name is derived from Latin, meaning "sharp-toothed".[1]