"Spirillum pleomorphum" Inoue and Komagata 1976 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Spirillaceae genus Spirillum species Spirillum pleomorphum Name Homonyms Spirillum pleomorphum "Spirillum pleomorphum" Inoue and Komagata 1976