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 Negibacteria Cavalier-Smith 1987 [paraphyletic?] see Subkingdom Negibacteria Cavalier-Smith 2002 Infrakingdom Glycobacteria Cavalier-Smith 1998 [paraphyletic?] see Infrakingdom Glycobacteria Cavalier-Smith 2002 Superphylum Pimelobacteria (Cavalier-Smith 1992) Cavalier-Smith 1998 [paraphyletic?] see Domain Bacteria Woese et al. 1990 Phylum Sphingobacteria Cavalier-Smith 1987 see Class Sphingobacteria Subphylum Flavobacteria Cavalier-Smith 1998 see Class Flavobacteria Cavalier-Smith 2002 1 Genus Flavobacterium Bergey et al. 1923 (Approved Lists 1980) 2 Genus Cytophaga Winogradsky 1929 (Approved Lists 1980)