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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       Subkingdom Harosa Cavalier-Smith, 2010
                         Infrakingdom Rhizaria Cavalier-Smith, 2002
                           Phylum Retaria Cavalier-Smith, 2002
                             Subphylum Foraminifera d'Orbigny, 1826
                               Globothalamea Pawlowski, Holzmann & Tyszka, 2013
                                 Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
                                   Subclass Textulariana Mikhalevich, 1980
                                     Order Spiroplectamminida Mikhalevich, 1992
                                       Superfamily Spiroplectamminoideaᵀ Cushman, 1927 [monotypic]
                                         1 Family Spiroplectamminidaeᵀ Cushman, 1927