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 Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980) see Phylum Gracilicutes Phylum Spirochaetae (Ehrenberg 1855) Cavalier-Smith 1998 see Phylum Spirochaetes Garrity and Holt 2001 "Pillotinas" see Family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980) 1 Genus Cristispira Gross 1910 (Approved Lists 1980) 2 Genus Pillotina (ex Hollande and Gharagozlou 1967) Bermudes et al. 1988 3 Genus Hollandina (ex To et al. 1978) Bermudes et al. 1988 4 Genus Diplocalyx (ex Gharagozlou 1968) Bermudes et al. 1988 5 Genus Clevelandina Bermudes et al. 1988