Chromatium okenii (Ehrenberg 1838) Perty 1852 Dataset NCBI Taxonomy Classification kingdom Pseudomonadati phylum Pseudomonadota class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Chromatium species Chromatium okenii Name Homonyms Chromatium okenii Chromatium okenii (Ehrenberg 1838) Perty 1852