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 Eucyrtidioidea Ehrenberg, 1847
                                             Family Eucyrtidiidaeᵀ Ehrenberg, 1847
                                               Subfamily Theocotylinae Petrushevskaya, 1981
                                                 Genus Thyrsocyrtis Ehrenberg, 1847
                                                   01 †Thyrsocyrtis bromia Ehrenberg, 1873
                                                   02 †Thyrsocyrtis clausa Chen, 1975
                                                   03 †Thyrsocyrtis hirsuta (Krasheninnikov, 1960)
                                                   04 †Thyrsocyrtis lochites Sanfilippo, 1982
                                                   05 †Thyrsocyrtis rhizodon Ehrenberg, 1873
                                                   06 †Thyrsocyrtis robusta Riedel & Sanfilippo, 1970
                                                   07 †Thyrsocyrtis schomburgkii (Ehrenberg, 1873)
                                                   08 †Thyrsocyrtis tarsipes Foreman, 1973
                                                   09 †Thyrsocyrtis tensa Foreman, 1973
                                                   10 †Thyrsocyrtis tetracantha (Ehrenberg, 1873)
                                                   11 †Thyrsocyrtis triacantha (Ehrenberg, 1873)