Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Acidobacteria Garrity and Holt 2001 [monotypic] see Phylum Acidobacteria Thrash and Coates 2012 Class "Acidobacteria" Cavalier-Smith 2002 [monotypic] Order "Acidobacteriales" Cavalier-Smith 2002 [monotypic] Family "Acidobacteriaceae" Thrash & Coates, 2012 see Family Acidobacteriaceae Thrash and Coates 2012 1 Genus Acidobacterium Kishimoto et al. 1991 2 Genus Geothrix Coates et al. 1999 3 Genus Holophaga Liesack et al. 1995