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Early Tertiary Vertebrate Faunas Vieja Group Trans-Pecos Texas: Rodentia
(Texas Memorial Museum, The University of Texas at Austin, 1974-04)
The fossil rodents of the late Eocene to early Oligocene Vieja Group are described. They include the paramyids Leptotomus leptodus, L. gigans n. sp., Mytonomys gaitania, Microparamys perjossus n. sp., Ischyrotomus cf, ...