Methanobacterium Dataset NCBI Taxonomy Rank GENUS Classification kingdom Methanobacteriati phylum Methanobacteriota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanobacterium Name Synonyms Methanobacterium Kluyver and van Niel 1936 Homonyms Methanobacterium Methanobacterium Kluyver and van Niel 1936