life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Prokaryota (Dougherty 1957) Allsopp 1969 [monotypic] see Domain Bacteria Woese et al. 1990
     Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 [paraphyletic] - bacteria see Kingdom Bacteria Cavalier-Smith 2002
       Subkingdom Unibacteria Cavalier-Smith 1998 [paraphyletic?] see Subkingdom Unibacteria Cavalier-Smith 2002
         1 Infrakingdom Posibacteria (Cavalier-Smith 1987) Cavalier-Smith 1998 [monotypic] see Domain Bacteria Woese et al. 1990
         1.n1 Infrakingdom Archaebacteria (Woese and Fox 1977) Cavalier-Smith 1998 [monotypic] see Domain Archaea Woese et al. 1990