Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Class Malacostraca Latreille, 1802 Subclass Phyllocarida Packard, 1879 - leptostracans Order Leptostraca Claus, 1880 - sea fleas Family Paranebaliidae Walker-Smith & Poore, 2001