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 Lagynida Mikhalevich, 1980
           Family Lagynidae Schultze, 1854
             Subfamily Belariinae Mikhalevich, 1999
               Genus Cystophrys Archer, 1869