Kingdom [Animalia] Linnaeus, 1758 - animals
   Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997 [nom. cl. nov.] - ecdysozoans see Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
     Panarthropoda Nielsen, 1995 - panarthropods
       Tritocerebra see [unranked] Panarthropoda Nielsen, 1995
         Phylum Arthropoda von Siebold, 1848 - arthropods
           Subphylum Mandibulata Snodgrass, 1938 see [unranked] Mandibulata
             Infraphylum Crustaceomorpha Chernyshev, 1960 see [unranked] Crustaceomorpha Chernyshev, 1960
               1 Genus †Martinssonia Müller & Walossek, 1986
               2 Superclass Crustacea Pennant, 1777 - crustaceans see [unranked] Crustaceomorpha Chernyshev, 1960