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 Foraminifera d'Orbigny, 1826
"monothalamids" [paraphyletic]
Class Astrorhizata Saidova, 1981
Subclass Astrorhizanaᵀ Saidova, 1981
Order Psammosphaerida Haeckel, 1894
Suborder Psammosphaerinaᵀ Haeckel, 1894
Family Psammosphaeridaeᵀ Haeckel, 1894
Subfamily Psammosphaerinaeᵀ Haeckel, 1894
1 Genus †Thuramminopsis Haeusler, 1883
2 Genus †Cellonina Kristan-Tollmann, 1971
3 Genus Psammosphaeraᵀ Schulze, 1875
4 Genus Sorosphaera Brady, 1879
5 Genus Psammophax Rhumbler, 1931