Apsaravis

Ichthyornis

Hesperornis

Tinamidae

Apterygidae

Rheidae

Galliformes

Anatidae

Anhimidae

Passeriformes

Coraciidae

Coliidae

Psittaciformes

Rallidae

Otididae

Musophagidae

Cuculidae

Cariamidae

Opisthocomidae

Gruidae

Psophiidae

Columbidae

Pteroclidae

Burhinidae

Recurvirostridae

Aegothelidae

Trogonidae

Steatornithidae

Balaenicipitidae

Ardeidae

Eurypygidae

Phaethontidae

Phalacrocoracidae

Fregatidae

Threskiornithidae

Ciconiidae

Phoenicopteridae

Procellariidae

Spheniscidae

Gaviidae

Podicipedidae

Cathartidae

Sagittariidae

Strigiformes

Falconidae

Accipitridae