Ciconiiformes

Accipitridae Vigors, 1824

Adelalopus Mayr & Smith, 2002

Agnopteridae Lambrecht, 1933

Alcidae Leach, 1820

Angelinornis Kashin, 1972

Anhingidae Reichenbach, 1849

Ardeidae Leach, 1820

Balaenicipitidae Bonaparte, 1853

Burhinidae Mathews, 1912

Charadriidae Leach, 1820

Chionididae Lesson, 1828

Ciconiidae Sundevall, 1836

Ciconiopsis Ameghino, 1899

Cochleariidae Ridgway, 1887

Cryptociconia Harrison, 1974

Diomedeidae G. R. Gray, 1840

Dissourodes Short, 1966

Eocathartes Wetmore, 1944

Falconidae Leach, 1820

Fregatidae Degland & Gerbe, 1867

Gaviidae Allen, 1897

Gigantibis Harrison & Walker, 1976

Glareolidae Brehm, 1831

Haematopodidae Bonaparte, 1838

Hydrobatidae Mathews, 1912

Jacanidae Chenu & Des Murs, 1854

Laridae Vigors, 1825

Neocathartidae

Osteodontornis Howard, 1957

Otus Gray, 1871

Palaelodidae

Palaeoephippiorhynchus Lambrecht, 1930

Palaeophoyx McCoy, 1963

Pedionomidae Bonaparte, 1856

Pelargocrex Milne-Edwards, 1893

Pelargoides Lydekker, 1891

Pelargopsis Milne-Edwards, 1867

Pelargosteon Kretzoi, 1962

Pelecanidae Rafinesque, 1815

Pelecanoididae G. R. Gray, 1871

Phaethontidae Brandt, 1840

Phalacrocoracidae Reichenbach, 1849

Phalacrocoraciidae

Phoenicopteridae Bonaparte, 1831

Plataleidae Bonaparte, 1838

Plegadornis Wetmore, 1962

Pluvianellidae Reichenbach, 1848

Podicipedidae Bonaparte, 1831

Procellariidae Leach, 1820

Proplegadis Harrison & Walker, 1971

Pteroclidae Bonaparte, 1831

Pteroclididae

Recurvirostridae Bonaparte, 1854

Rostratulidae Mathews, 1911

Sagittariidae Finsch & Hartlaub, 1870

Scaniornithidae

Scolopacidae Rafinesque, 1815

Scopidae Bonaparte, 1849

Scops Gray, 1840

Spheniscidae Bonaparte, 1831

Stercorariidae Brisson, 1760

Sulidae Reichenbach, 1849

Telmabatidae

Thinocoridae Sundevall, 1836

Threskiornithidae Poche, 1904

Torotigidae

Torotix Brodkorb, 1963