Methylococcus Foster & Davis, 1966 emend. Bowman et al., 1993 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Gammaproteobacteria order Methylococcales family Methylococcaceae genus Methylococcus Name Homonyms Methylococcus Foster & Davis, 1966 emend. Bowman et al., 1993