[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       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
               1 [Cellvibrio mixtus] Blackall et al. 1986
               2 Cellvibrio fibrivorans Mergaert et al. 2003
               3 Cellvibrio fulvus (ex Stapp and Bortels 1934) Humphry et al. 2003
               4 Cellvibrio gandavensis Mergaert et al. 2003
               5 Cellvibrio japonicus Humphry et al. 2003
               6 Cellvibrio ostraviensis Mergaert et al. 2003
               7 Cellvibrio vulgaris (ex Stapp and Bortels 1934) Humphry et al. 2003