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 Haplorhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
               Parvorder Tarsiiformes Gregory, 1915 see Infraorder Tarsiiformes Gregory, 1915
                 1 Family †Omomyidae Trouessart, 1879
                 2 Family Tarsiidae Gray, 1825 - tarsiers