Rhodocyclus Pfennig 1978 (Approved Lists 1980) emend. Imhoff et al. 1984 Dataset NCBI Taxonomy Classification kingdom Pseudomonadati phylum Pseudomonadota class Betaproteobacteria order Rhodocyclales family Rhodocyclaceae genus Rhodocyclus Name Homonyms Rhodocyclus Rhodocyclus Pfennig 1978 (Approved Lists 1980) emend. Imhoff et al. 1984