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 Astrorhizana Saidova, 1981
         Order Psammosphaerida Haeckel, 1894
           Suborder Stegnamminina Mikhalevich, Pronina & Nestell, 2000
             Superfamily Crithioninoidea Hofker, 1972
               1 Family Crithionidae Hofker, 1972 see Family Crithioninidae Hofker, 1972
               2 Family Oryctodermatidae Saidova, 1981