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
               1 Family †Plesiopithecidae Simons & Rasmussen, 1994
               2 Parvorder Lemuriformes Gregory, 1915 see Infraorder Lemuriformes Gregory, 1915