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
         Family †Fusulinidae Möller, 1878
           1 Subfamily †Fusulininae Möller, 1878
           2 Subfamily †Schwagerininae Dunbar & Henbest, 1930
           3 Subfamily †Schubertellinae Skinner, 1931 see Family Schubertellidae Skinner, 1931
           4 Subfamily †Boultoninae see Subfamily Boultoniinae Skinner & Wilde, 1954