Phylum Chordata Bateson, 1885 - chordates
Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Superorder Neognathae Pycraft, 1900
see Cohort Neognathae Pycraft, 1900
Order Gruiformes Bonaparte, 1854
Family Otididae Gray, 1840 - bustards
Genus Tetrax Forster, 1817
Tetrax tetrax (Linnaeus, 1758) - little bustard