Procaryotic Genera
   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 Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997 nom. illeg.
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Streptosporangineae (sic) Ward-Rainey et al. 1997 see Suborder Streptosporangiineae corrig. Ward-Rainey et al. 1997
               Family Nocardiopsaceae (sic) Rainey et al. 1996 see Family Nocardiopsidaceae corrig. Rainey et al. 1996
                 1 Genus Nocardiopsis (Brocq-Rousseau 1904) Meyer 1976 (Approved Lists 1980)
                 2 Genus Thermobifida Zhang et al. 1998