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 Patellinida Mikhalevich, 1992
             Superfamily Hergottelloidea Loeblich & Tappan, 1984
               Family Placentulinidae Kasimova, Poroshina & Geodakchan, 1980
                 Subfamily Ashbrookininae Loeblich & Tappan, 1984 see Subfamily Ashbrookiinae Loeblich & Tappan, 1984