Kingdom Animalia Linnaeus, 1758 - animals Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812 Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Osmeriformes - freshwater smelts see Suborder Osmeroidei Family Plecoglossidae - ayu fishes see Subfamily Plecoglossinae