Kingdom Protista (Haeckel, 1866) - protists
   Order Foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826
     Suborder "rotalids" see Order Rotaliida Lankester, 1885
       Genus Ammonia Brünnich, 1772
       Genus Bolivina d'Orbigny, 1839
       Genus Cassidulina d'Orbigny, 1826
       Genus Elphidium Montfort, 1808
       Genus Globigerina d'Orbigny, 1826
       Genus Globorotalia Cushman, 1927
       Genus Lagena Walker & Boys, 1784
       Genus Nonion Montfort, 1808
       Genus Nonionella Cushman, 1926
       Genus Orbulina d'Orbigny, 1839
       Genus Rosalina d'Orbigny, 1826
       1 Superfamily †Orbitoidacea Schwager, 1876 see Order Orbitoidida Copeland, 1956
       2 Superfamily Rotaliacea Ehrenberg, 1839 see Superfamily Rotalioidea Ehrenberg, 1839