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 Buliminoida Saidova, 1981
           Order Buliminida Saidova, 1981
             Suborder Caucasinina Mikhalevich, 1998 [monotypic]
               Family Caucasinidae Bykova, 1959
                 Subfamily Caucasiniae Bykova, 1959 see Subfamily Caucasininae Bykova, 1959