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 "Fibrobacteres" Garrity and Holt 2012 stat. inval. see Phylum Fibrobacterota Garrity and Holt 2021 Class Fibrobacteria Spain et al. 2012 [monotypic] Order Fibrobacterales Spain et al. 2012 [monotypic] Family Fibrobacteraceae Spain et al. 2012 [monotypic] 1 Genus Fibrobacter Montgomery et al. 1988