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 †Endothyrida Fursenko, 1958
         1 Superfamily †Endothyroidea Brady, 1884
         2 Superfamily †Bradyinoidea Reytlinger, 1950
         3 Superfamily †Loeblichioidea Cummings, 1955 see Superfamily Endothyroidea Brady, 1884
         4 Superfamily †Palaeotextularioidea Galloway, 1933
         5 Superfamily †Tetrataxoidea Galloway, 1933 see Order Tetrataxida Mikhalevich, 1981
         6 Superfamily †Biseriamminoidea Chernysheva, 1941 see Order Biseriamminida Mikhalevich, 1981