Ferrimicrobium acidiphilum Johnson et al. 2009 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Actinobacteria (sic) Goodfellow 2021 non Actinobacteria Stackebrandt et al. 1997 Actinomycetota corrig. Goodfellow 2021 Actinobacteriota corrig. Goodfellow 2021 Acidimicrobiia Norris 2013 Acidimicrobidae Stackebrandt et al. 1997 emend. Zhi et al. 2009 Acidimicrobiales Stackebrandt et al. 1997 emend. Zhi et al. 2009 Acidimicrobiaceae Stackebrandt et al. 1997 emend. Zhi et al. 2009 Ferrimicrobium Johnson et al. 2009 Ferrimicrobium acidiphilum Johnson et al. 2009 Ferrimicrobium Johnson et al. 2009 Ferrimicrobium acidiphilum Johnson et al. 2009 Johnson D.B. Bacelar-Nicolau P. Okibe N. Thomas A. Hallberg K.B. Ferrimicrobium acidiphilum gen. nov., sp. nov. and Ferrithrix thermotolerans gen. nov., sp. nov.: heterotrophic, iron-oxidizing, extremely acidophilic actinobacteria. 2009 59 5 1082 1089 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65409-0 19406797 Johnson D.B. Bacelar-Nicolau P. Okibe N. Thomas A. Hallberg K.B. Ferrimicrobium acidiphilum gen. nov., sp. nov. and Ferrithrix thermotolerans gen. nov., sp. nov.: heterotrophic, iron-oxidizing, extremely acidophilic actinobacteria. 2009 59 5 1082 1089 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65409-0 19406797