Methanosarcina frisia (Blotevogel et al., 1986) Blotevogel & Fischer, 1989 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 39::92 Classification genus Methanosarcina species Methanosarcina mazei Name Homonyms Methanosarcina frisia (Blotevogel et al., 1986) Blotevogel & Fischer, 1989