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
Globothalamea Pawlowski, Holzmann & Tyszka, 2013
Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
Subclass Globigerinana Mikhalevich, 1980
Order Heterohelicida Fursenko, 1958 [monotypic]
Superfamily Heterohelicoideaᵀ Cushman, 1927
Family Guembelitriidae Montanaro Gallitelli, 1957
Genus †Guembelitriaᵀ Cushman, 1933