Methanosarcina mazei (Barker, 1936) Mah & Kuhn, 1984 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 34::263 Classification genus Methanosarcina species Methanosarcina mazei Name Synonyms Methanococcus frisius Blotevogel et al., 1986 Methanococcus mazei Barker, 1936 Methanosarcina frisia (Blotevogel et al., 1986) Blotevogel & Fischer, 1989 Homonyms Methanosarcina mazei (Barker, 1936) Mah & Kuhn, 1984