Rhodocyclus purpureus Pfennig 1978 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Rhodocyclales family Rhodocyclaceae genus Rhodocyclus species Rhodocyclus purpureus Name Homonyms Rhodocyclus purpureus Rhodocyclus purpureus Pfennig 1978