Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [Empire Prokaryota (Dougherty 1957) Allsopp 1969] see Domain Bacteria Woese et al. 1990 [Kingdom "Bacteria" (Cohn 1870) Cavalier-Smith 1983 - bacteria] see Kingdom Bacteria Cavalier-Smith 2002 [Subkingdom Eubacteria Cavalier-Smith 1981] see Domain Bacteria Woese et al. 1990 [Division Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980)] see Phylum Gracilicutes .1 [Class Scotobacteria Gibbons and Murray 1978 (Approved Lists 1980)] .2 [Class Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988] .2.0 [Subclass Anoxyphotobacteriae Gibbons and Murray 1978 (Approved Lists 1980)] see Class Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988 .3 [Class Oxyphotobacteria (ex Gibbons and Murray 1978) Murray 1988] 2 [Phylum Spirochaetae (Ehrenberg 1855) Cavalier-Smith 1998] see Phylum Spirochaetes Garrity and Holt 2001 3 [Class Photobacteria Gibbons and Murray 1978 (Approved Lists 1980)] 4 [Phylum Saprospirae] see Domain Bacteria Woese et al. 1990 5 [Phylum Chloroflexa] see Phylum Chloroflexi Garrity and Holt 2001 6 [Phylum Chlorobia] see Phylum Chlorobi Garrity and Holt 2001