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
                                     Class Nodosariata Mikhalevich, 1992, incertae sedis
                                       Subclass Hormosinana Mikhalevich, 1992
                                         Order Saccamminida Lankester, 1885
                                           Family Saccamminidaeᵀ Brady, 1884
                                             1 Genus Conqueria Gooday & Pawlowski, 2004, incertae sedis
                                             2 Genus Leptammina Cedhagen, Gooday & Pawlowski, 2009, incertae sedis
                                             3 Genus Bithekammina Aranda da Silva, Gooday, Pearse & Cunha, 2011, incertae sedis
                                             4 Genus Arnoldiellina Apothéloz-Perret-Gentil, Holzmann & Pawlowski, 2012, incertae sedis
                                             5 Subfamily Saccammininaeᵀ Brady, 1884
                                             6 Subfamily Ovammininae Mikhalevich, 2003 [monotypic]
                                             7 Subfamily †Caudammininae Mikhalevich, 2003 [monotypic]
                                             8 Subfamily Pilulininae Brady, 1884 [monotypic]