Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Class Malacostraca Latreille, 1802 Subclass Eumalacostraca Grobben, 1892 1 Superorder Syncarida Packard, 1885 - syncarids 2 Superorder Peracarida Calman, 1904 3 Superorder Eucarida Calman, 1904