Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                             Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               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 Globigerinana Mikhalevich, 1980
                                           Order Heterohelicida Fursenko, 1958 [monotypic]
                                             Superfamily Heterohelicoideaᵀ Cushman, 1927
                                               Family Heterohelicidaeᵀ Cushman, 1927
                                                 Subfamily †Heterohelicinaeᵀ Cushman, 1927
                                                   1 Genus †Heterohelixᵀ Ehrenberg, 1843
                                                   2 Genus †Laeviheterohelix Nederbragt, 1991
                                                   3 Genus †Lunatriella Eicher & Worstell, 1970
                                                   4 Genus †Planoglobulina Cushman, 1927
                                                   5 Genus †Pseudoplanoglobulina Aliyulla, 1977
                                                   6 Genus †Pseudotextularia Rzehak, 1891
                                                   7 Genus †Racemiguembelina Gallitelli, 1957
                                                   8 Genus †Spiroplecta Ehrenberg, 1844
                                                   9 Genus †Ventilabrella Cushman, 1928