Order Primates Linnaeus, 1758 - primates
   Semiorder Euprimates Hoffstetter, 1978 see Clade Euprimates
     Suborder Strepsirhini see Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
       Infraorder Lemuriformes Gregory, 1915
         Superfamily Indrioidea Burnett, 1828 see Superfamily Lemuroidea Gray, 1821
           Family Lepilemuridae Gray, 1870 [monotypic]
             1 Subfamily Lepilemurinae Gray, 1870 [monotypic] see Family Lepilemuridae Gray, 1870
             2 Subfamily ‡Megaladapinae Forsyth Major, 1893 [monotypic] see Family Megaladapidae Forsyth Major, 1893