Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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 Miliamminana Mikhalevich, 1980
                                           Order Lituolida Lankester, 1885
                                             Superfamily Lituoloideaᵀ de Blainville, 1827
                                               Family Placopsilinidae Rhumbler, 1913
                                                 1 Subfamily Placopsilininaeᵀ Rhumbler, 1913
                                                 2 Subfamily Acruliammininae Mikhalevich, 2004 [monotypic]
                                                 3 Subfamily †Flatschkofeliinae Kaminski, 2004 [monotypic]
                                                 4 Subfamily †Adhaerentiinae Loeblich & Tappan, 1986 [monotypic]