cellvibrio cellvibrio cellvibrio is a genus of gammaproteobacteria. the cells are slender curved rods. cellvibrio is (like all proteobacteria) gram-negative. cellvibrio scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: cellvibrionales family: cellvibrionaceae genus: cellvibrio(ex winogradsky 1929) blackall et al. 1986 type species cellvibrio mixtus species c. diazotrophicus c. fibrivorans c. fulvus c. fontiphilus c. gandavensis c. japonicus c. mixtus c. ostraviensis c. vulgaris c. zantedeschiae