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 Spyridinata Ehrenberg, 1847
Family Triospyrididae Haeckel, 1881
Subfamily Tholospyridinae Haeckel, 1887
1.1 Genus Tholospyridium Haeckel, 1887
1.2.1 Genus †Tristylospyris Haeckel, 1881
1.2.2 Genus Tholospyrisᵀ Haeckel, 1881
2.1.1 Genus Cyrtostephanus Popofsky, 1913
2.1.2 Genus Platybursa Haeckel, 1881
2.2 Genus Clathrobursa Haeckel, 1881
3 Genus Tridictyopus Hertwig, 1879