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 Nodosarianaᵀ Mikhalevich, 1992
                                         Order †Palaeotextulariida Hohenegger & Piller, 1975
                                           Superfamily †Palaeotextularioideaᵀ Galloway, 1933 [monotypic]
                                             Family †Palaeotextulariidaeᵀ Galloway, 1933
                                               1 Genus †Palaeotextulariaᵀ Schubert, 1920
                                               2 Genus †Deckerellina Reitlinger, 1950
                                               3 Genus †Deckerella Cushman & Waters, 1928
                                               4 Genus †Palaeobigenerina Galloway, 1933
                                               5 Genus †Monogenerina Spandel, 1901
                                               6.1 Genus †Cribrostomum Möller, 1879
                                               6.2 Genus †Climacammina Brady, 1876
                                               7 Genus †Cribrogenerina Schubert, 1908
                                               8 Genus †Consorbinella Mamet & Pinard, 1992