Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Astrorhizata Saidova, 1981
       Subclass Lagynana Mikhalevich, 1980
         Order Ammoscalariida Mikhalevich, 1980
           1 Family Phthanotrochidae Arnold, 1978
           2 Family Ammoscalariidae Mikhalevich, 1982
           3 Family Hospitellidae Loeblich & Tappan, 1984