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
           1 Eulemur fulvus albifrons (E. Geoffroy, 1776) see Eulemur albifrons (É. Geoffroy, 1796)
           2 Eulemur fulvus fulvusᵀ Geoffroy, 1796 see Eulemur fulvus (É. Geoffroy Saint-Hilaire, 1796)
           3 Eulemur fulvus rufus (Audebert, 1799) see Eulemur rufus (Audebert, 1799)
           4 Eulemur fulvus albocollaris see Eulemur albocollaris Rumpler, in Tattersall & Sussman, eds., 1975
           5 Eulemur fulvus collaris see Eulemur collaris (É. Geoffroy, 1812)
           6 Eulemur fulvus mayottensis see Eulemur fulvus (É. Geoffroy Saint-Hilaire, 1796)
           7 Eulemur fulvus sanfordi (Archbold, 1932) see Eulemur sanfordi (Archbold, 1932)