†蜥鸟亚纲(Archaeornithes)

†Archaeopterygidae

†Confuciusornithiformes

†Hongshanornithidae

†Yanornithiformes

†Apsaraviformes

目未定

†反鸟亚纲（Enantiornithes）

†Avisauridae

†Gobipterygidae

†Longipterygidae

基群及科未定

今鸟亚纲(Neornithes)

†黄昏鸟目Hesperornithiformes

†Hesperornithidae

†Baptornithidae

†Brodavidae

†Enaliornithidae

科未定

†鱼鸟目Ichthyornithiformes

†Ichthyornithidae

†Lithornithiformes

†Lithornithidae

鸵鸟目Struthioniformes

†Dinornithidae

†Megalapterygidae

†Emeidae

Struthionidae

†Aepyornithidae

Rheidae

Casuariidae

Dromaiidae

Apterygidae

䳍形目Tinamiformes

Tinamidae

企鹅目Sphenisciformes

Spheniscidae

基群及科未定

雁形目Anseriformes

†Dromornithidae

†Gastornithidae

Anhimidae

Anseranatidae

Anatidae

†Presbyornithidae

科未定

鸡形目Galliformes

†Paraortygidae

†Quercymegapodiidae

†Sylviornithidae

Megapodidae

Cracidae

†Gallinuloididae

Odontophoridae

Numididae

Phasianidae

科未定

潜鸟目Gaviiformes

†Colymboididae

Gaviidae

科未定

鸊鷉目Podicipediformes

Podicipedidae

科未定

鹱形目Procellariiformes

†Diomedeoididae

Procellariidae

Diomedeidae

Hydrobatidae

Pelecanoididae

鹈形目Pelecaniformes

Pelecanidae

†Pelagornithidae

Fregatidae

Sulidae

Phalacrocoracidae

Anhingidae

†Protoplotidae

†Plotopteridae

Phaethontidae

Prophaethontidae

基群

鹳形目Ciconiiformes

Ardeidae

Balaenicipitidae

Scopidae

Threskiornithidae

Phoenicopteridae

Ciconiidae

隼形目Falconiformes

Falconidae

Cathartidae

Sagittaridae

Pandionidae

Accipitridae

鹤形目Gruiformes

Rhynochetidae

Eurypygidae

†Aptornithidae

Otididae

Cariamidae

†Phorusrhacidae

†Bathornithidae

†Idiornithidae

†Geranoididae

†Ameghinornithidae

†Salmilidae

†Parvigruidae

†Songziidae

†Gastornithidae

†Messelornithidae

†Eogruidae

†Ergilornithidae

Gruidae

Aramidae

Psophiidae

Rallidae

Heliornithidae

基群及科未定

鸻形目Charadriiformes

Scolopacidae

Rostratulidae

Jacanidae

Thinocoridae

Pedionomidae

Laridae

Rhynchopidae

Sternidae

Alcidae

Stercorariidae

Glareolidae

Dromadidae

Turnicidae

Burhinidae

Chionididae

Pluvianellidae

Ibidorhynchidae

Recurvirostridae

Haematopodidae

Charadriidae

†Laornithidae

†Graculavidae

基群及科未定

鸽形目Columbiformes

Pteroclidae

Columbidae

鹦形目Psittaciformes

†Pseudasturidae

†Vastanavidae

†Quercypsittidae

Nestoridae

Strigopidae

Cacatuidae

Psittrichasiidae

Psittaculidae

鹃形目Cuculiformes

Musophagidae

Cuculidae

Opisthocomidae

†Gracilitarsidae

†Sylphornithidae

†Foratidae

鸮形目Strigiformes

基群及科未定

†Ogygoptyngidae

†Protostrigidae

†Sophiornithidae

Tytonidae

Strigidae

夜鹰目Caprimulgiformes

Steatornithidae

Podargidae

Nyctibiidae

Caprimulgidae

Eurostopodidae

Aegothelidae

雨燕目Apodiformes

†Aegialornithidae

†Jungornithidae

Trochilidae

Apodidae

Hemiprocnidae

鼠鸟目Coliiformes

基群及科未定

Coliidae

†Sandcoleidae

咬鹃目Trogoniformes

Trogonidae

佛法僧目Coraciiformes

Bucorvidae

Bucerotidae

Upupidae

Phoeniculidae

Leptosomatidae

†Primobucconidae

†Sylphornithidae

†Eocoraciidae

†Messelirrisoridae

†Geranopteridae

Coraciidae

Brachypteraciidae

Meropidae

Todidae

Momotidae

Alcedinidae

Halcyonidae

Cerylidae

科未定

䴕形目Piciformes

Galbulidae

Bucconidae

Lybiidae

Megalaimidae

Ramphastidae

Semnornithidae

Capitonidae

†Miopiconidae

†Picavidae

Picidae

Indicatoridae

基群及科未定

雀形目Passeriformes

Acanthisittidae

Eurylaimidae

Philepittidae

Sapayoidae

Pittidae

Tyrannidae

Tityridae

Cotingidae

Pipridae

Furnariidae

Thamnophilidae

Formicariidae

Grallariidae

Rhinocryptidae

Conopophagidae

Melanopareiidae

Menuridae

Atrichornithidae

Maluridae

Dasyornithidae

Acanthizidae

Meliphagidae

Pardalotidae

Melanocharitidae

Callaeidae

Notiomystidae

Cnemophilidae

Neosittidae

Vireonidae

Campephagidae

Pachycephalidae

Oriolidae

Paramythiidae

Artamidae

Malaconotidae

Platysteiridae

Aegithinidae

Pityriaseidae

Prionopidae

Vangidae

Dicruridae

Monarchidae

Rhipiduridae

Paradisaeidae

Corcoracidae

Laniidae

Corvidae

Colluricinclidae

Cinclosomatidae

Falcunculidae

"Pitohuidae"

Climacteridae

†Turnagridae

Ptilonorhynchidae

Orthonychidae

Pomatostomidae

Petroicidae

Picathartidae

Chaetopidae

Eupetidae

Regulidae

Hyliotidae

Irenidae

Chloropseidae

Nicatoridae

Panuridae

Alaudidae

Hirundinidae

Pnoepygidae

Macrosphenidae

Phylloscopidae

Aegithalidae

Cettiidae

Locustellidae

Donacobiidae

Bernieridae

Acrocephalidae

Pycnonotidae

Cisticolidae

Timaliidae

Pellorneidae

Leiothrichidae

Sylviidae

Zosteropidae

Cinclidae

Muscicapidae

Turdidae

Buphagidae

Sturnidae

Mimidae

Sittidae

Tichodromadidae

Certhiidae

Salpornithidae

Troglodytidae

Polioptilidae

Passeridae

Prunellidae

Motacillidae

Urocynchramidae

Estrildidae

Ploceidae

Viduidae

Peucedramidae

Fringillidae

Icteridae

Parulidae

Thraupidae

Cardinalidae

Emberizidae

Coerebidae

Paridae

Remizidae

Stenostiridae

Bombycillidae

Dulidae

Ptilogonatidae

Hypocoliidae

Mohoidae

Nectariniidae

Dicaeidae

Promeropidae

†Zygodactylidae

†Palaeoscinidae

科未定

基群及目未定

†Archaeotrogonidae

†Cimolopterygidae

†Cladornithidae

†Eleutherornithidae

†Eocypselidae

†Eremopezidae

†Foratidae

†Fluvioviridavidae

†Gracilitarsidae

†Halcyornithidae

†Laornithidae

†Messelasturidae

†Palaeospizidae

†Parvicuculidae

†Remiornithidae

†Sylphornithidae

†Tytthostonygidae

†Zygodactylidae

†"Graculavidae"

†Apatornithidae

科未定

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