Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Trogoniformes Wetmore & Miller, 1926 - trogons Family Trogonidae Lesson, 1828 - trogons