Spirillum Ehrenberg 1832 (Approved Lists 1980) emend. Podkopaeva et al. 2009 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Nitrosomonadales family Spirillaceae genus Spirillum Name Homonyms Spirillum Spirillum Ehrenberg 1832 (Approved Lists 1980) emend. Podkopaeva et al. 2009