Phylum Arthropoda Siebold, 1848 - arthropods Count: - Class Insecta Linnaeus, 1758 - insects Count: - Subclass Pterygota Lang, 1888 - winged insects see Infraclass Pterygota Lang, 1888 Count: - Division Exopterygota Sharp, 1899 Count: - Order Plecoptera Latreille, 1802 - stone flies Count: - Family Perlodidae Klapalek, 1912 Count: -