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 Radiozoa Cavalier-Smith, 1987
                                     Superclass Polycystinia Ehrenberg, 1838
                                       Class Nassellaria Ehrenberg, 1847
                                         Order Cyrtidinata Haeckel, 1862
                                           Superfamily Amphipyndacioidea Riedel, 1967
                                             Family †Parvicingulidae Pessagno, 1977
                                               Subfamily †Parvicingulinaeᵀ Pessagno, 1977
                                                 01 Genus †Caneta Pessagno, Blome & Hull, 1993
                                                 02 Genus †Darvelus Hull, 1995
                                                 03 Genus †Eoxitus Kozur, 1985
                                                 04 Genus †Mirifusus Pessagno, 1977
                                                 05 Genus †Parvicingulaᵀ Pessagno, 1977
                                                 06 Genus †Praecaneta Pessagno, Blome & Hull, 1993
                                                 07 Genus †Praeparvicingula Pessagno, Blome & Hull, 1993
                                                 08 Genus †Pseudoristola Yeh, 1987
                                                 09 Genus †Ristola Pessagno & Whalen, 1982
                                                 10 Genus †Tethysetta Dumitrica, 1997