†Chitinozoa Eisenack, 1931 - chitinozoans
   Order †Prosomatifera Eisenack, 1972
     Family †Conochitinidae Eisenack, 1931
       Subfamily †Tanuchitininae Paris, 1981
         1 Genus †Baltochitina Paris & Grahn, 1999
         2 Genus †Hyalochitina Paris & Grahn, 1999
         3 Genus †Laufeldochitina Paris, 1981
         4 Genus †Tanuchitina Jansonius, 1964