Domain Bacteria Woese et al. 1990
   Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
     Class "Deltaproteobacteria" Garrity et al. 2001 nom. ined. see Class Deltaproteobacteria Kuever et al. 2006
       Order "Bdellovibrionales" see Order Bdellovibrionales Garrity et al. 2006
         1 Family "Bdellovibrionaceae" see Family Bdellovibrionaceae Garrity et al. 2006