Methanosarcina semesiae Lyimo et al. 2000 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Methanosarcina species Methanosarcina semesiae Name Homonyms Methanosarcina semesiae Methanosarcina semesiae Lyimo et al. 2000