[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       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