Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Eutheria Gill, 1872
       Magnorder Boreoeutheria Springer & de Jong, 2001
         Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
           Order Primates Linnaeus, 1758 - primates
             Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
               Infraorder Lemuriformes Gregory, 1915
                 Superfamily Lemuroidea Gray, 1821
                   Family Indriidae Burnett, 1828, orth. cons. - avahi, sifakas, and indri