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 Triospyridinaeᵀ Haeckel, 1881
01 Genus †Hexaspyridium Haeckel, 1887
02 Genus †Petalospyrella Haeckel, 1887
03.1 Genus Pentaspyris Haeckel, 1881
03.2 Genus Taurospyris Haeckel, 1881
03.3 Genus Therospyris Haeckel, 1881
03.4 Genus Dendrospyris Haeckel, 1881
03.5 Genus Acrospyris Haeckel, 1881
03.6 Genus Aegospyris Haeckel, 1881
03.7 Genus Giraffospyris Haeckel, 1881
04 Genus Anthospyris Haeckel, 1881
05 Genus Brachiospyris Haeckel, 1881
06 Genus Ceratospyris Ehrenberg, 1847
07 Genus Cladospyris Ehrenberg, 1847
08 Genus Corythospyris Haeckel, 1881
09 Genus Dictyocircus Jørgensen, 1905
10 Genus Gorgospyris Haeckel, 1881
11 Genus Hexaspyris Haeckel, 1887
12 Genus Liriospyris Haeckel, 1881
13 Genus Lophospyris Haeckel, 1881
14 Genus Petalospyris Ehrenberg, 1847
15 Genus Semantidium Haeckel, 1887
16 Genus Semantiscus Haeckel, 1887
17 Genus Semantrum Haeckel, 1887
18 Genus Triceraspyris Haeckel, 1881
19 Genus Triospyrium Haeckel, 1887