foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826
   Suborder †Fusulinina Wedekind, 1937 see Order Fusulinida Fursenko, 1958
     Superfamily †Fusulinoidea von Möller, 1878 see Order Fusulinida Fursenko, 1958
       Family †Fusulinidae Möller, 1878
         1 Genus †Eofusulina Rauser-Chernousova, 1951
         2 Genus †Eowedekindellina Ektova, 1977
         3 Genus †Fusulina Fischer, 1829
         4 Genus †Fusulinella Möller, 1877
         5 Genus †Parafusulinella Stewart, 1970
         6 Genus †Profusulinella Rauzer-Chernousova & Belyaev, 1936
         7 Genus †Protriticites Elias, 1959
         8 Genus †Quasifusulina Chen, 1934
         9 Genus †Skinnerella Coogan, 1960