Hexapods - insects
see Epiclass Hexapoda Latreille, 1825
Class Insecta Linnaeus, 1758 - insects
Subclass Dicondylia Haeckel, 1866
Infraclass Pterygota Lang, 1888
Division Neoptera Martynov, 1923
Order Plecoptera Latreille, 1802 - stone flies
Suborder Arctoperlaria Zwick, 1973
Superfamily Perloidea Latreille, 1802
Family Perlodidae Klapalek, 1912
Subfamily Perlodinae
Genus Osobenus Ricker, 1952