Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Passeriformes Linnaeus, 1758 Family Climacteridae de Selys Longchamps, 1839 - Australian treecreepers