Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
   Infraclass Eoaves Sibley et al., 1988 see Cohort Palaeognathae Pycraft, 1900
     Parvclass Ratitae (Merrem, 1813) see Subcohort Ratitae Merrem, 1813
       Order Tinamiformes Huxley, 1872
         1 Family Tinamidae Gray, 1840 - tinamous