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 Spirillinata Mikhalevich, 1992
                                         Subclass Ammodiscana Mikhalevich, 1980
                                           ?Order Ataxophragmiida Fursenko, 1958
                                             Superfamily Textularielloidea Groenhagen & Luterbacher, 1966
                                               Family †Hauraniidae Septfontaine, 1988
                                                 1 ?Genus †Cymbriaella Fugagnoli, 1999
                                                 2.1 ?Genus †Platyhaurania Bassoullet & Boutakiout, 1996
                                                 2.2 ?Genus †Timidonella Bassoullet, Chabrier & Fourcade, 1974
                                                 3 ?Genus †Socotraina Banner, Whittaker, Boudagher-Fadel & Samuel, 1997
                                                 4 Genus †Hauraniaᵀ Henson, 1948
                                                 5 Genus †Gutnicella Moullade, Haman & Huddleston, 1981
                                                 6 Genus †Meyendorffina Aurouze & Bizon, 1958
                                                 7 Genus †Bostia Bassoullet, 1998
                                                 8 Genus †Spiraloconulus Allemann & Schroeder, 1980