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 Discoba Simpson 2009
Superphylum Discicristata Cavalier-Smith, 1998 [coordinate rank]
Phylum Euglenozoa Cavalier-Smith, 1981
Class Euglenoidea Bütschli, 1884
Order Euglenidaᵀ Bütschli, 1884 - euglenids
Suborder Eugleninaᵀ Bütschli, 1884
Family Euglenidaeᵀ Stein, 1878
Genus Euglenaᵀ C.G. Ehrenberg, 1830
Euglena spirogyra Ehrenberg