Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Passerae
see Superorder Passerimorphae Sibley et al., 1988
Superorder Passerimorphae Sibley et al., 1988
Order Ciconiiformes Bonaparte, 1854
Suborder Ciconii
see Suborder Ciconiae Bonaparte, 1854
Infraorder Ciconiides
see Suborder Ciconiae Bonaparte, 1854
1 Parvorder Podicipedida
see Order Podicipediformes Fürbringer, 1888
2 Parvorder Phaethontida
see Suborder Phaethontes Sharpe, 1891
3 Parvorder Sulida (Reichenbach, 1849) Sibley et al., 1988
4 Parvorder Ciconiida
see Suborder Ciconiae Bonaparte, 1854