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 "Actinobacteria" Garrity and Holt 2001 see Phylum Actinobacteria Goodfellow 2012 nom. inval.
       Class Actinobacteria Stackebrandt et al. 1997 nom. illeg. see Class Actinomycetes Krassilnikov 1949 (Approved Lists 1980)
         Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
           Suborder Actinopolysporineae Zhi et al. 2009 [monotypic] see Order Pseudonocardiales Labeda and Goodfellow 2015
             1 Family Actinopolysporaceae Zhi et al. 2009 [monotypic] see Family Pseudonocardiaceae Embley et al. 1989