Methylococcus Foster and Davis 1966 emend. Bowman et al. 1993 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Methylococcales family Methylococcaceae genus Methylococcus Name Homonyms Methylococcus Methylococcus Foster and Davis 1966 emend. Bowman et al. 1993