Phylum Arthropoda Siebold, 1848 - arthropods
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
     Class Malacostraca Latreille, 1802
       Subclass Eumalacostraca Grobben, 1892
         Superorder Eucarida Calman, 1904
           Order Decapoda Latreille, 1802 - decapods
             Suborder Pleocyemata Burkenroad, 1963
               Infraorder Thalassinidea Latreille, 1831 - mud and ghost shrimps
                 Superfamily Axioidea Huxley, 1879
                   1 Family Axiidae Huxley, 1879
                   2 Family Calocarididae Ortmann, 1891
                   3 Family Micheleidae Sakai, 1992
                   4 Family Strahlaxiidae Poore, 1994