Order Primates Linnaeus, 1758 - primates
   Semiorder Strepsirrhini see Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
     Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
       Infraorder Lemuriformes Gregory, 1915
         Superfamily Lemuroidae orth. inval. see Superfamily Lemuroidea Gray, 1821
           1 Family Lemuridae Gray, 1821 - large lemurs
           2 Family ‡Megaladapidae Forsyth Major, 1893 [monotypic] - sportive lemurs, weasel lemurs, and koala lemurs
           3 Family Indriidae Burnett, 1828, orth. cons. - avahi, sifakas, and indri
           4 Family Cheirogaleidae Gray, 1873 - dwarf lemurs and mouse lemurs
           5 Family Lepilemuridae Gray, 1870 [monotypic]