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 Ammodiscana Mikhalevich, 1980
         1 Order Ammodiscida Mikhalevich, 1980
         2 Order Ammovertellinida Mikhalevich, 1999
         3 Order Plagioraphida Mikhalevich, 2003 [monotypic]
         4 ?Order Ataxophragmiida Fursenko, 1958