MethylococcaceaeMethylococcusMethylobacterMethylomicrobiumMethylomonasMethylotuvimicrobiumMethylosarcinaMethylovulumMethylocaldumMethyloglobulusMethylomarinumMethyloterricolaMethylocucumisMethylogaeaMethyloprofundusMethylotetracoccusCandidatus MethylospiraMethylicorpusculumMethylomagnumCandidatus Methylocalor