"Rhodospirillum longum" Hama 1933 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Rhodospirillales family Rhodospirillaceae genus Rhodospirillum species Rhodospirillum rubrum Name Homonyms Rhodospirillum longum "Rhodospirillum longum" Hama 1933