life
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Empire Eukaryota (Chatton, 1925)
see Domain Eukaryota Chatton, 1925
Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
Subkingdom Neozoa Cavalier-Smith, 1993 [paraphyletic]
see Kingdom Protozoa Goldfuss, 1818
Infrakingdom Discicristata Cavalier-Smith, 1998
see Superphylum Discicristata Cavalier-Smith, 1998
Phylum Euglenozoa Cavalier-Smith, 1981
Subphylum Saccostoma T. Cavalier-Smith, 1998
see Phylum Euglenozoa Cavalier-Smith, 1981
Class Postgaardea T. Cavalier-Smith, 1998 [monotypic]
Genus Postgaardi T. Fenchel et al., 1995