Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
       Subclass Rotaliana Mikhalevich, 1980
         Superorder Discorboida Ehrenberg, 1838
           Order Rotaliida Lankester, 1885
             Family Ammoniidae Saidova, 1981
               1 Genus Gavelinopsis Hofker, 1951