procaryotes
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Actinobacteria Garrity and Holt 2001 [monotypic] see Phylum Actinobacteria Goodfellow 2012 nom. inval.
       Class Actinobacteria Stackebrandt et al. 1997 nom. illeg. see Class Actinomycetes Krassilnikov 1949 (Approved Lists 1980)
         Subclass Acidimicrobidae Stackebrandt et al. 1997 [monotypic] see Class Acidimicrobiia Norris 2013
           1 Order Acidimicrobiales Stackebrandt et al. 1997 [monotypic]