Neornithes Gadow, 1893 - living birds Palaeognathae - palaeognaths see Cohort Palaeognathae Pycraft, 1900 ratites see Subcohort Ratitae Merrem, 1813 Family Casuariidae Kaup, 1847 - cassowaries Genus Casuarius Brisson, 1760 Casuarius casuarius (Linnaeus, 1758) - southern cassowary