Class Mammalia Linnaeus, 1758 - mammals
   Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
     Infraclass Eutheria Gill, 1872
       Cohort Placentalia Owen, 1837 - placentals
         Order Primates Linnaeus, 1758 - primates
           Suborder Euprimates Hoffstetter, 1978 see Clade Euprimates
             Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812" see Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
               Parvorder Lemuriformes Gregory, 1915 see Infraorder Lemuriformes Gregory, 1915
                 Superfamily Lemuroidea Gray, 1821
                   1 Family Lemuridae Gray, 1821 - large lemurs
                   2 Family Lepilemuridae Gray, 1870
                   3 Family Daubentoniidae Gray, 1863 - aye-ayes
                   4 Family Indriidae Burnett, 1828, orth. cons. - avahi, sifakas, and indri
                   5 Family Cheirogaleidae Gray, 1873 - dwarf lemurs and mouse lemurs