Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Crustacea BrĂ¼nnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Class Malacostraca Latreille, 1802 Subclass Eumalacostraca Grobben, 1892 Superorder Peracarida Calman, 1904 Order Mysida Haworth, 1825 - mysids Family Stygiomysidae Caroli, 1937