Chromatium purpuratum Imhoff and Truper 1980 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Marichromatium species Marichromatium purpuratum Name Homonyms Chromatium purpuratum Chromatium purpuratum Imhoff and Truper 1980