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 Spirillinanaᵀ Mikhalevich, 1992
                                           Superorder Involutinoida Hohenegger & Piller, 1977
                                             Order Involutinidaᵀ Hohenegger & Piller, 1977
                                               Superfamily Involutinoideaᵀ Bütschli, 1880
                                                 Family †Involutinidaeᵀ Bütschli, 1880
                                                   01 Genus †Involutinaᵀ Terquem, 1862
                                                   02 Genus †Babelispirillina Ruggieri & Giunta, 1965
                                                   03 Genus †Bancilina Neagu, 1995
                                                   04 Genus †Coronipora Kristan, 1958
                                                   05 Genus †Cylindrotrocholina Loeblich & Tappan, 1986
                                                   06 Genus †Globospirillina Antonova, 1964
                                                   07 Genus †Hensonina Moullade & Peybernès, 1974
                                                   08 Genus †Jurella Danich, 1977
                                                   09 Genus †Semiinvoluta Kristan, 1957
                                                   10 Genus †Trocholina Paalzow, 1922
                                                   11 Genus †Trochospirillina Mityanina, 1957