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 Micrococcales Prévot 1940 (Approved Lists 1980)
           01 Family Beutenbergiaceae Zhi et al. 2009
           02 Family Bogoriellaceae Schumann and Stackebrandt 2000 nom. illeg. see Family Allobogoriellaceae Deshmukh and Oren 2025
           03 Family Brevibacteriaceae Breed 1953 (Approved Lists 1980)
           04 Family Cellulomonadaceae Stackebrandt and Prauser 1991
           05 Family Demequinaceae Ue et al. 2011
           06 Family Dermabacteraceae Stackebrandt et al. 1997
           07 Family Dermacoccaceae Schumann and Stackebrandt 2000
           08 Family Dermatophilaceae Austwick 1958 (Approved Lists 1980)
           09 Family Intrasporangiaceae Rainey et al. 1997
           10 Family Jonesiaceae Stackebrandt et al. 1997 [monotypic]
           11 Family Microbacteriaceae Park et al. 1995
           12 Family Micrococcaceae Pribram 1929 (Approved Lists 1980)
           13 Family Promicromonosporaceae Rainey et al. 1997
           14 Family Rarobacteraceae Stackebrandt and Schumann 2000 [monotypic]
           15 Family Ruaniaceae Tang et al. 2010
           16 Family Sanguibacteraceae Stackebrandt and Schumann 2000 [monotypic] see Family Jonesiaceae Stackebrandt et al. 1997
           17 Genus Koreibacter Lee and Lee 2010, incertae sedis see Genus Paraoerskovia Khan et al. 2009
           18 Genus Luteimicrobium Hamada et al. 2010, incertae sedis