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
                                     Globothalamea Pawlowski, Holzmann & Tyszka, 2013
                                       Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
                                         Subclass Rotalianaᵀ Mikhalevich, 1980
                                           ?Superorder Robertinoida Mikhalevich, 1980 [monotypic]
                                             Order Robertinidaᵀ Mikhalevich, 1980
                                               1 Suborder †Duostominina Mikhalevich, 2013
                                               1.0 [Superfamily †Duostominoidea Brotzen, 1963] see Suborder Duostominina Mikhalevich, 2013
                                               2 Suborder Ceratobuliminina Mikhalevich, 1980
                                               2.0 [Superfamily Ceratobuliminoidea Cushman, 1927] see Suborder Ceratobuliminina Mikhalevich, 1980
                                               3 Suborder Asterigerinida d'Orbigny, 1839
                                               4 Suborder †Conorboidina Mikhalevich, 1992 [monotypic]
                                               4.0 [Superfamily †Conorboidoidea Thalmann, 1952 [monotypic]] see Suborder Conorboidina Mikhalevich, 1992
                                               5 Suborder Robertininaᵀ Mikhalevich, 1980
                                               5.0 [Superfamily Robertinoideaᵀ Reuss, 1850] see Suborder Robertinina Mikhalevich, 1980