Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Clade neomura Cavalier-Smith, 1987
     Domain Eukaryota Chatton, 1925 - eukaryotes
       Clade discaria Cavalier-Smith, 2021
         Clade natates Cavalier-Smith, 2021
           Clade photaria Cavalier-Smith, 2021
             Clade eucorta Cavalier-Smith, 2021
               Superkingdom Corticata Lankester, 1878 - corticates
                 Kingdom Chromista Caval.-Sm. (1981) - chromists
                   Subkingdom Harosa Cavalier-Smith, 2010
                     Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                       Infrakingdom Rhizaria Cavalier-Smith, 2002
                         Phylum Retaria Cavalier-Smith, 2002
                           Subphylum Foraminifera d'Orbigny, 1826
                             Tubothalamea Pawlowski, Holzmann & Tyszka, 2013
                               Class Miliolata Saidova, 1981 - porcelaneous foraminifers
                                 Subclass Miliolanaᵀ Saidova, 1981
                                   Group "milioloids" Delage & Hérouard, 1896
                                     Superorder Milioloidaᵀ Delage & Hérouard, 1896
                                       Order Miliolidaᵀ Delage & Hérouard, 1896
                                         Suborder Miliolinaᵀ Delage & Hérouard, 1896
                                           Superfamily Quinqueloculinoidea Cushman, 1917
                                             Family Sigmoilinitidae Łuczkowska, 1974
                                               Subfamily Sigmoilinitinaeᵀ Łuczkowska, 1974
                                                 Genus Sigmamiliolinella Zheng, 1988