Eogruidae Struthioniformes Gruiformes Porituberoolithus Fissuravis Novaeratitae Incognitoolithus Pseudocrypturus Calciavis Palaeotis Remiornis Pachyornis Diogenornis Continuoolithus Paracathartes Lithornithidae Palaeophasianus Hinasuri Ageroolithus Geranoididae Eogeranoides Querandiornis List of fossil bird genera Lithornis Proapteryx Rheidae Notopalaeognathae Orientornis Heterorhea Opisthodactylus Gobioolithus Pachystruthio Lesser moa Emuarius Mullerornis Casuariidae Eremopezus Elephant bird Aepyornis Palaeognathae Dinornis Bush moa Casuariiformes Upland moa Struthionidae Eastern moa Nothurinae Ostrich Nothocercus Nothura Tinamotis Broad-billed moa…

a Nothoprocta Dwarf tinamou Moa Dromaius Rhea (bird) Rhynchotus Crypturellus Eudromia Tinamou Tinamus Tinaminae 1981 in paleontology Ergilin Dzo Formation Kiwi (bird) Cassowary