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
         ?Order Ataxophragmiida Fursenko, 1958
           Superfamily Ataxophragmoidea Schwager, 1877 see Superfamily Ataxophragmioidea Schwager, 1877
             Family Ataxophragmiidae Schwager, 1877
               Subfamily Ataxophragmiinae Schwager, 1877
                 1 Genus Ataxophragmium Reuss, 1860
                 2 Genus Arenobulimina Cushman, 1927
                 3 ?Genus Ataxoorbignyna Voloshina, 1965