prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024 Phylum "Spirochaetes" Garrity and Holt 2001 nom. inval. [monotypic] see Phylum Spirochaetota Garrity and Holt 2021 Class Spirochaetes Cavalier-Smith 2002 nom. rej. Order Brachyspirales Gupta et al. 2014 [monotypic] 1 Family Brachyspiraceae Paster 2012