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
                   Subfamily †Omomyinae Trouessart, 1879