Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991} Infraclass Dromaeognathae (Huxley, 1867) P. Brodkorb, 1963 1 Order Tinamiformes Huxley, 1872