. . . . . "METMZ" . . . . . . "Methanococcus frisius" . "Methanosarcina frisius" . "Methanococcus mazei" . "Methanosarcina mazeii" . "Methanococcus frisius Blotevogel et al. 1986" . "Methanosarcina frisia (Blotevogel et al. 1986) Blotevogel and Fischer 1989" . "Methanosarcina mazei (Barker 1936) Mah and Kuhn 1986" . "Methanosarcina sp. MT" . "false"^^ . "true"^^ . "Methanosarcina mazei" . "Methanosarcina frisia" .