[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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)
         Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997 nom. illeg.
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Propionibacterineae (sic) Rainey et al. 1997 see Suborder Propionibacteriineae corrig. Rainey et al. 1997
               Family Nocardioidaceae Nesterenko et al. 1990
                 1 Genus Nocardioides Prauser 1976 (Approved Lists 1980)
                 1.0 Genus Pimelobacter Suzuki and Komagata 1983 see Genus Nocardioides Prauser 1976 (Approved Lists 1980)
                 2 Genus Aeromicrobium Miller et al. 1991
                 3 Genus Actinopolymorpha Wang et al. 2001
                 4 Genus Friedmanniella Schumann et al. 1997 see Genus Microlunatus Nakamura et al. 1995
                 5 Genus Kribbella Park et al. 1999
                 5.0 Genus Hongia Lee et al. 2000 see Genus Kribbella Park et al. 1999
                 6 Genus Micropruina Shintani et al. 2000
                 7 Genus Marmoricola Urzì et al. 2000 see Genus Nocardioides Prauser 1976 (Approved Lists 1980)
                 8 Genus Propionicimonas Akasaka et al. 2003
                 9 Genus Propionicicella Bae et al. 2006