Acidimicrobiaceae Stackebrandt et al. 1997 emend. Zhi et al. 2009 Acidimicrobiaceae Stackebrandt et al. 1997 emend. Zhi et al. 2009 Acidimicrobium Clark and Norris 1996 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 Acidimicrobiales Stackebrandt et al. 1997 emend. Zhi et al. 2009 Acidimicrobineae Garrity and Holt 2001 Incertae sedis 174 None 2015 Ilumatobacteraceae Asem et al. 2018 Incertae sedis 427 Kim et al. 2017 Ferrimicrobium Johnson et al. 2009 Ferrithrix Johnson et al. 2009 Ilumatobacter Matsumoto et al. 2009 Acidimicrobium Clark and Norris 1996 Aciditerrimonas Itoh et al. 2011 Acidiferrimicrobium González et al. 2020 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 Matsumoto A. Kasai H. Matsuo Y. Ōmura S. Shizuri Y. Takahashi Y. Ilumatobacter fluminis gen. nov., sp. nov., a novel actinobacterium isolated from the sediments of an estuary 2009 55 201 205 The Journal of General and Applied Microbiology J Gen Appl Microbiol 0022-1260 1349-8037 10.2323/jgam.55.201 19590147 González D. Huber K.J. Tindall B. Hedrich S. Rojas-Villalobos C. Quatrini R. Dinamarca M.A. Ibacache-Quiroga C. Schwarz A. Canales C. Nancucheo I. Acidiferrimicrobium australe gen. nov., sp. nov., an acidophilic and obligately heterotrophic, member of the Actinobacteria that catalyses dissimilatory oxido-reduction of iron isolated from metal-rich acidic water in Chile. 2020 70 5 3348 3354 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.004179 32375942 Garrity G.M. Holt J.G. Garrity G.M. Boone D.R. Castenholz R.W. Taxonomic Outline of the Archaea and Bacteria. 2001 1 2 155 166 Bergey's Manual of Systematic Bacteriology Springer New York Itoh T. Yamanoi K. Kudo T. Ohkuma M. Takashina T. Aciditerrimonas ferrireducens gen. nov., sp. nov., an iron-reducing thermoacidophilic actinobacterium isolated from a solfataric field 2011 61 6 1281 1285 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.023044-0 20639230 Stackebrandt E. Rainey F.A. Ward-Rainey N.L. Proposal for a new hierarchic classification system, Actinobacteria classis nov. 1997 47 2 479 491 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-47-2-479 Ilumatobacter was not designated as part of any higher taxa, however, it is very closely related to Acidimicrobium therefore it is assigned to Acidimicrobiaceae Stackebrandt E. Rainey F.A. Ward-Rainey N.L. Proposal for a new hierarchic classification system, Actinobacteria classis nov. 1997 47 2 479 491 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-47-2-479 Zhi X.Y. Li W.J. Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. 2009 59 3 589 608 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65780-0 19244447