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 "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021 Class Oligoflexia Nakai et al. 2014 [monotypic] Order Oligoflexales Nakai et al. 2014 [monotypic] 1 Family Oligoflexaceae Nakai et al. 2014 [monotypic]