Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
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
Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
Infrakingdom Halvaria Cavalier-Smith, 2010
Superphylum Alveolata Cavalier-Smith, 1991
Phylum Ciliophora Doflein, 1901 - ciliates
Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
Class Nassophorea Small & Lynn, 1981
Order Microthoracida Jankowski, 1967
Family Microthoracidaeᵀ Wrzesniowski, 1870
1 ?Genus Conchophrys Chatton, 1911
2 ?Genus Hexotricha Conn, in Conn & Edmondson, 1918
3 Genus Drepanomonas Fresenius, 1858
4 Genus Leptopharynx Mermod, 1914
5.1 Genus Microthoraxᵀ Engelmann, 1862
5.2 Genus Hemicyclium Eberhard, 1862
6 Genus Stammeridium Wenzel, 1969
7 Genus Trochiliopsis Penard, 1922