Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
   Class Miliolata Saidova, 1981 - porcelaneous foraminifers
     Subclass Miliolana Saidova, 1981
       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 [monotypic]
                 3 Subfamily Massilininae Thalmann, 1941
                 4 Subfamily Flintininae Saidova, 1981
                 5 Subfamily Miliolinellinae Vella, 1957
                 6 Subfamily Tortonellinae Mikhalevich, 1988