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
                 Family †Omomyidae Trouessart, 1879
                   1 Subfamily †Anaptomorphinae Cope, 1883
                   2 Subfamily †Omomyinae Trouessart, 1879
                   3 Subfamily †Microchoerinae Lydekker, 1887 see Family Microchoeridae Lydekker, 1887