Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] 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
                             [crown] 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 †"fusulinoids" Fursenko, 1958
                                             Superorder †Fusulinoidaᵀ Fursenko, 1958
                                               Order †Staffellida Miklukho-Maklay, 1949
                                                 1 Family †Pseudoendothyridae Mamet, 1970 [monotypic]
                                                 2 Family †Nankinellidae Miklukho-Maklay, 1963 [monotypic]
                                                 3 Family †Cheniidae Kahler & Kahler, 1966 [monotypic]
                                                 4 Family †Staffellidaeᵀ Miklukho-Maklay, 1949
                                                 5 Family †Pisolinidae Rauser, 1985 [monotypic]
                                                 6 Family †Kahlerinidae Leven, 1963 [monotypic]
                                                 7 Family †Pseudostaffellidae Putrja, 1956