Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
       Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005
         Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
           Family Pseudomonadaceae Winslow et al. 1917 (Approved Lists 1980)
             Genus Cellvibrio (ex Winogradsky 1929) Blackall et al. 1986