Phylum [Vertebrata] (Lamarck, 1801) Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893 Order Struthiornithiformes Genus †Dinornis Owen, 1843 †Dinornis maximus Owen, 1868