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 Radiozoa Cavalier-Smith, 1987
                               Superclass Polycystinia Ehrenberg, 1838
                                 Class Nassellaria Ehrenberg, 1847
                                   Order Cyrtidinata Haeckel, 1862
                                     Superfamily Acropyramidoidea Haeckel, 1881
                                       Family Sethophormididae Haeckel, 1881
                                         Subfamily Theopiliinae Haeckel, 1881
                                           01 Genus †Anthocyrtella Haeckel, 1887
                                           02 Genus †Haeckelicyrtium Kozur & Mostler, 1979
                                           03 Genus †Salpingocapsa Rüst, 1885
                                           04 Genus †Squinabolella Pessagno, 1969
                                           05 Genus Cecryphalium Haeckel, 1881
                                           06 Genus Clathrocyclas Haeckel, 1881
                                           07 Genus Clathrocycloma Haeckel, 1887
                                           08 Genus Diplocyclas Haeckel, 1881
                                           09 Genus Eucecryphalus Haeckel, 1860
                                           10 Genus Phrenocodon Haeckel, 1887
                                           11 Genus Pterocorythium Haeckel, 1881
                                           12 Genus Stichopilium Haeckel, 1881
                                           13 Genus Theocalyptra Haeckel, 1881
                                           14 Genus Theopiliumᵀ Haeckel, 1881