Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Charadriiformes Huxley, 1867 - shorebirds, gulls, auks Family Ibidorhynchidae Bonaparte, 1856 - ibisbill see Subfamily Ibidorhynchinae Bonaparte, 1856