Archaeopterygiformes
Archaeopterygidae
Yandangornithiformes
Yandangornithidae
Jeholornithiformes
Jeholornithidae
Confuciusornithiformes
Confuciusornithidae
Omnivoropterygiformes
Omnivoropterygidae
Mystiornithiformes
Avisauridae
Cuspirostrisornithidae
Mystiornithidae
| Cathayornithiformes
Cathayornithidae
Alethoalaornithidae
Gobipterygiformes
Gobipterygidae
Enantiornithiformes
Zhyraornithidae
Enantiornithidae
Bohaiornithidae
Liaoningornithiformes
Liaoningornithidae
Alexornithiformes
null
Alexornithidae
Longipterygiformes
Longipterygidae
| Protopterygiformes
Protopterygidae
Incertae sedis
Hongshanornithidae
Chaoyangiaformes
Chaoyangidae
Songlingornithidae
Patagopterygiformes
null
Patagopterygidae
Ambiortiformes
null
Yanornithiformes
null
| Yanornithidae
Gansuiformes
Gansuidae
Sandcoleiformes
Sandcoleidae
Ichthyornithiformes
Ambiortidae
Ichthyornithidae
Apatornithiformes
Apatornithidae
Hesperornithiformes
null
Hesperornithidae
Hesperornithidae
Baptornithidae
| Brodavidae
Enaliornithidae
Remiornithiformes
Remiornithidae
Aepyornithiformes
Aepyornithidae
Lithornithiformes
Lithornithidae
Incertae sedis
Eleutherornithidae
Struthioniformes
Struthionidae
Rheiformes
Opisthodactylidae
|
Rheidae
Tinamiformes
Tinamidae
Apterygiformes
Apterygidae
Casuariiformes
Casuariidae
Casuariidae
Casuariidae
Dromornithidae
Dinornithiformes
Dinornithidae
Emeidae
Anseriformes
null
| Incertae sedis
Presbyornithidae
Incertae sedis
Anhimidae
Anseranatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
Anatidae
| Anatidae
Paranyrocidae
Pangalliformes
null
Gallinuloididae
Paraortygidae
Quercymegapodiidae
Galliformes
null
Megapodiidae
Cracidae
Numididae
Odontophoridae
Phasianidae
Phasianidae
Phasianidae
Phasianidae
Phasianidae
| Phasianidae
Phasianidae
Phasianidae
Phasianidae
Phasianidae
Paraortygidae
Incertae sedis
Archaeotrogonidae
Eremopezidae
Foratidae
Fluvioviridavidae
Anomalogonatae
Gracilitarsidae
Phoenicopteriformes
Phoenicopteridae
Palaelodidae
Scaniornithidae
| Podicipediformes
Podicipedidae
Columbiformes
Columbidae
Columbidae
Columbidae
Columbidae
Columbidae
Pteroclidiformes
Pteroclidae
Mesitornithiformes
Mesitornithidae
Eurypygiformes
Eurypygidae
Rhynochetidae
|