Arthropoda Siebold, 1848 - arthropods
   [Euarthropoda]
     Class Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
       Labrophora Siveter, Waloszek & Williams
         Order †Phosphatocopida Müller, 1964
           †Euphosphatocopida
             Suborder †Hesslandonina Müller, 1982
               Genus †Waldoria Gründel, in Gründel & Buchholz, 1981
                 †Waldoria rotundata Gründel, in Gründel & Buchholz, 1981