Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Uniramia Snodgrass, 1935 see Phylum Arthropoda Siebold, 1848 Class Insecta Linnaeus, 1758 - insects Subclass Pterygota Lang, 1888 - winged insects see Infraclass Pterygota Lang, 1888 Infraclass Paleoptera - ancient winged insects see Infraclass Pterygota Lang, 1888 Order Ephemeroptera Hyatt & Arms, 1891 - mayflies