Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Class Insecta Linnaeus, 1758 - insects Order Plecoptera Latreille, 1802 - stone flies Family Chloroperlidae (Okamoto, 1912) Genus Alloperla Banks, 1906 †Alloperla roberti Surdick, 1981 - Robert's stonefly