Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
   Class †Fusulinata Fursenko, 1958
     Subclass †Fusulinana Vachard, Pille & Gaillot, 2010 see Group fusulinoids Fursenko, 1958
       Order †Fusulinida Fursenko, 1958
         1 Superfamily †Ozawainelloidea Thompson & Foster, 1937 see Order Ozawainellida Solovieva, 1980
         2 Superfamily †Staffelloidea Miklukho-Maklay, 1949 see Order Staffellida Miklukho-Maklay, 1949
         3 Superfamily †Schubertelloidea Skinner, 1931 see Order Schubertellida Skinner, 1931
         4 Superfamily †Fusulinoidea von Möller, 1878 see Order Fusulinida Fursenko, 1958
         5 Superfamily †Schwagerinoidea Dunbar & Henbest, 1930 see Order Schwagerinida Solovieva, 1985
         6 Superfamily †Neoschwagerinoidea Dunbar & Condra, 1927 see Order Neoschwagerinida Minato & Honjo, 1966