Kingdom Protista (Haeckel, 1866) - protists
   Order Foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826
     Suborder †"Fusulinids" see Order Fusulinida Fursenko, 1958
       Superfamily †Fusulinacea
         1 Genus †Millerella Thompson, 1942
         2 Family †Staffellidae Miklukho-Maklay, 1949
         3 Family †Fusulinidae Möller, 1878
         4 Family †Ozawainellidae Thompson & Foster, 1937