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 stat. inval. Kingdom Bacteria Cavalier-Smith 1998 nom. inval. [paraphyletic] - bacteria see Kingdom Bacteria Cavalier-Smith 2002 stat. inval. Subkingdom Negibacteria Cavalier-Smith 1987 nom. inval. [paraphyletic?] see Subkingdom Negibacteria Cavalier-Smith 2002 stat. inval. Infrakingdom Glycobacteria Cavalier-Smith 1998 nom. inval. [paraphyletic?] see Infrakingdom Glycobacteria Cavalier-Smith 2002 stat. inval. Superphylum Pimelobacteria (Cavalier-Smith 1992) Cavalier-Smith 1998 [paraphyletic?] see Domain Bacteria Woese et al. 1990 stat. inval. Phylum Proteobacteria Garrity and Holt 2001 nom. nud. see Phylum Proteobacteria Garrity et al. 2005 stat. inval. Subphylum Thiobacteria Cavalier-Smith 1998 see Phylum Proteobacteria Garrity et al. 2005 stat. inval. Class "[Deltaproteobacteria]" "Garrity and Holt 2001" nom. nud. see Class Deltaproteobacteria Kuever et al. 2006