Methanosarcina (Kluyver & van Niel, 1936) Dataset World Register of Marine Species Rank GENUS Classification kingdom Archaea phylum Euryarchaeota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Methanosarcina Name Homonyms Methanosarcina (Kluyver & van Niel, 1936)