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 Spirillinoida Hohenegger & Piller, 1975
           Order Spirillinida Hohenegger & Piller, 1975
             Suborder Spirillinina Hohenegger & Piller, 1975
               1 Family Spirillinidae Reuss & Fritsch, 1861
               2 Family Conicospirillinidae Mikhalevich, 1995