Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Spirillinata Mikhalevich, 1992
       Subclass Spirillinana Mikhalevich, 1992
         Superorder Archaediscoida Pojarkov & Skvortsov, 1979
           Order Tetrataxida Mikhalevich, 1981
             1 Family Tetrataxidae Galloway, 1933
             2 Family Pseudotaxidae Mamet, 1974
             3 ?Family Valvulinellidae Loeblich & Tappan, 1984
             4 Family Akcayidae Özdikmen, 2009
             5 Family Endotaxidae Bogush & Brazhnikova, 1996