Neornithes Gadow, 1893 - living birds Palaeognathae - palaeognaths see Cohort Palaeognathae Pycraft, 1900 ratites see Subcohort Ratitae Merrem, 1813 Family Struthionidae Batsch, 1788 - ostriches 1 Genus Struthio Linnaeus, 1758 [monotypic]