Domain Bacteria Woese et al. 1990
   Phylum Actinobacteria Garrity and Holt 2001
     Class Actinobacteria Stackebrandt et al. 1997
       Subclass Sphaerobacteridae Stackebrandt et al. 1997
         Order Sphaerobacterales Stackebrandt et al. 1997
           Suborder "Sphaerobacterineae" Garrity et al., 2003
             Family Sphaerobacteraceae Stackebrandt et al. 1997
               Genus Sphaerobacter Demharter et al. 1989