Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
Count: [*†*] 1c;5o;12f;99g;3s; †1s
   Class Miliolata Saidova, 1981 - porcelaneous foraminifers
  Count: [*†*] 5o;12f;99g;3s; †1s
     Subclass Miliolana Saidova, 1981
    Count: [*†*] 5o;12f;98g;3s; †1s
       Superorder Milioloida Delage & Hérouard, 1896
      Count: [*†*] 2o;12f;98g;3s; †1s
         Order Miliolida Delage & Hérouard, 1896
        Count: [*†*] 12f;98g;3s; †1s
           Suborder Miliolina Delage & Hérouard, 1896
          Count: [*†*] 12f;98g;3s; †1s
             Superfamily Quinqueloculinoidea Cushman, 1917
            Count: [*†*] 11f;98g;3s; †1s [16 Nov 2015]
               Family Spiroloculinidae Wiesner, 1920
              Count: [*] 8g [14 Nov 2015]
                 Subfamily Spiroloculininae Wiesner, 1920
                Count: [*] 4g [14 Nov 2015]
                   Genus Bidentina Mikhalevich, 1988
                  Count: -