†Chitinozoa Eisenack, 1931 - chitinozoans
   Order †Operculatifera Eisenack, 1931
     Family †Desmochitinidae Eisenack, 1931
       Subfamily †Margachitininae Paris, 1981
         Genus †Urnochitina Paris, 1981
           1 †[Urnochitina urna] (Eisenack, 1934)