Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Miliolata Saidova, 1981 - porcelaneous foraminifers
       Subclass Miliolana Saidova, 1981
         Group Milioloids Delage & Hérouard, 1896
           Superorder Milioloida Delage & Hérouard, 1896
             Order Miliolida Delage & Hérouard, 1896
               Suborder Miliolina Delage & Hérouard, 1896
                 Superfamily Quinqueloculinoidea Cushman, 1917
                   Family Massilinidae Thalmann, 1941
                     1 Subfamily Pseudomassilininae Mikhalevich, 1988
                     2 Subfamily Rectomassilininae Mikhalevich, 1988
                     3 Subfamily Massilininae Thalmann, 1941
                     4 Subfamily Miliolinellinae Vella, 1957
                     5 Subfamily Flintininae Saidova, 1981
                     6 Subfamily Tortonellinae Mikhalevich, 1988