Methanococcoides Dataset NCBI Taxonomy Rank GENUS Classification phylum Euryarchaeota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Methanococcoides Name Synonyms Methanococcoides Sowers and Ferry 1985 emend. L'Haridon et al. 2014 Homonyms Methanococcoides Methanococcoides Sowers and Ferry 1985 emend. L'Haridon et al. 2014