Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Lemuridae Gray, 1821 - large lemurs
       Genus Petterus Groves & Eaglen, 1988 - brown lemur see Genus Eulemur Simons & Rumpler, 1988
         Petterus fulvus (É. Geoffroy Saint-Hilaire, 1796) - brown lemur see Eulemur fulvus (É. Geoffroy Saint-Hilaire, 1796)