Chromatium [2] Dataset Taxa Watermanagement the Netherlands (TWN) Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Chromatium Name Homonyms Chromatium [2] Chromatium J.A.M.Perty, 1852 Chromatium J.A.M.Perty, 1852 Chromatium