Domain Bacteria Woese et al. 1990
   Phylum Actinobacteria Garrity and Holt 2001
     Class Actinobacteria Stackebrandt et al. 1997
       Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997
         Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
           Suborder Micrococcineae Stackebrandt et al. 1997 see Order Micrococcales Prévot 1940 (Approved Lists 1980)
             Family Micrococcaceae Pribram 1929 (Approved Lists 1980)
               Genus Arthrobacter Conn and Dimmick 1947 (Approved Lists 1980)
               Genus Bogoriella Groth et al. 1997
               Genus Demetria Groth et al. 1997
               Genus Kocuria Stackebrandt et al. 1995
               Genus Leucobacter Takeuchi et al. 1996
               Genus Nesterenkonia Stackebrandt et al. 1995
               Genus Renibacterium Sanders and Fryer 1980
               Genus Rothia Georg and Brown 1967 (Approved Lists 1980)
               Genus Stomatococcus Bergan and Kocur 1982 see Genus Rothia Georg and Brown 1967 (Approved Lists 1980)
               Genus Terracoccus Prauser et al. 1997
               1 Genus Micrococcus Cohn 1872 (Approved Lists 1980)