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 Globigerinana Mikhalevich, 1980
         Order †Cassigerinellida Mikhalevich, 2013 [monotypic]
           Superfamily †Cassigerinellidoidea Bolli, Loeblich & Tappan, 1957 [monotypic]
             1 Family †Cassigerinellidae Bolli, Loeblich & Tappan, 1957