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
         1 Infrakingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic] see Subkingdom Sarcomastigota Cavalier-Smith, 1983
         1.n1.1 Infrakingdom Discicristata Cavalier-Smith, 1998 see Superphylum Discicristata Cavalier-Smith, 1998
         1.n1.2 Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991
         1.n2 Infrakingdom Actinopoda Calkins, 1902 [polyphyletic?]