Class Mammalia Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Lemuridae Gray, 1821 - large lemurs
       Genus Eulemur Simons & Rumpler, 1988 - lemurs
         Eulemur fulvus (É. Geoffroy Saint-Hilaire, 1796) - brown lemur
           Eulemur fulvus sanfordi (Archbold, 1932) see Eulemur sanfordi (Archbold, 1932)