'Methylobacter chroococcum' Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Methylococcales family Methylococcaceae genus Methylobacter species Methylobacter chroococcum Name Homonyms Methylobacter chroococcum "Methylobacter chroococcum" Whittenbury et al. 1970 'Methylobacter chroococcum'