life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Prokarya 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 Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) - gram-positive bacteria see Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) Phylum Thermotogae Margulis and Schwartz 1998 - thermophilic fermenters see Phylum Thermotogae Reysenbach 2001 Genus Fervidobacterium Patel et al. 1985 Fervidobacterium islandicum Huber et al. 1991