Phylum [Vertebrata] (Lamarck, 1801)
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Epitheria McKenna, 1975
           Superorder Archonta Gregory, 1910 see Grandorder Archonta Gregory, 1910
             Order Primates Linnaeus, 1758 - primates
               Suborder Prosimii Illiger, 1811 see Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812"
                 Infraorder †Plesiadapiformes (Simons & Tattersall, 1972)