Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Class Malacostraca Latreille, 1802 Subclass Eumalacostraca Grobben, 1892 Superorder Peracarida Calman, 1904 Order Amphipoda Latreille, 1816 - amphipods Suborder Ingolfiellidea Hansen, 1903 Family Metaingolfiellidae Ruffo, 1969