Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
       Subclass Rotaliana Mikhalevich, 1980
         Superorder Buliminoida Saidova, 1981
           Order Cassidulinida d'Orbigny, 1839
             1 Family Cassidulinidae d'Orbigny, 1839
             2 Family Ehrenberginidae Cushman, 1927
             3 Family Cassidulinitidae Saidova, 1981
             4 Family Orthoplectidae Loeblich & Tappan, 1984
             5 Family Cassidinidae Boukhary & Scheibner, 2011, nom. illeg.