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
Tubothalamea Pawlowski, Holzmann & Tyszka, 2013
Class Spirillinata Mikhalevich, 1992
Subclass Spirillinanaᵀ Mikhalevich, 1992
Superorder Involutinoida Hohenegger & Piller, 1977
Order Involutinidaᵀ Hohenegger & Piller, 1977
Superfamily Involutinoideaᵀ Bütschli, 1880
Family Planispirillinidae Piller, 1978
1 Genus Planispirillinaᵀ Bermúdez, 1952
2 Genus Alanwoodia Loeblich & Tappan, 1955
3 Genus Conicospirillinoides Cheng & Zheng, 1978
4 Genus Trocholinopsis Piller, 1983