Name: Methanosarcina mazeii (Barker 1936) Mah and Kuhn 1984

Category: Species

Proposed as: comb. nov.

Basonym: Methanococcus mazei Barker 1936 (Approved Lists 1980)

Gender: feminine

Type strain: DSM 2053; not cultivated originally; OCM 26; S-6; VKM B-1636

Conduct genome-based taxonomy at

16S rRNA gene: AB973358 Analyse FASTA

Valid publication: Mah RA, Kuhn DA. Transfer of the type species of the genus Methanococcus to the genus Methanosarcina naming it Methanosarcina mazei (Barker 1936) comb. nov. et emend. and conservation of the genus Methanococcus (Approved Lists, 1980) with Methanococcus vannielii (Approved Lists, 1980) as the type species. Request for an opinion. Int. J. Syst. Bacteriol. 1984; 34:263-265.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling

Correct name: Methanosarcina mazei corrig. (Barker 1936) Mah and Kuhn 1984

• Synonyms:

  • Name	Kind
    Methanosarcina frisia (Blotevogel et al. 1986) Blotevogel and Fischer 1989	heterotypic synonym, validly published under the ICNP
    Methanococcus mazei Barker 1936 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Methanococcus frisius Blotevogel et al. 1986	heterotypic synonym, validly published under the ICNP
    Methanosarcina mazei corrig. (Barker 1936) Mah and Kuhn 1984	corrected spelling of name, validly published under the ICNP

• Notes:
  • ⏰ According to Mästrojuan et al. (1992), this species is an earlier heterotypic synonym of Methanococcus frisius Blotevogel et al. 1986. Publication: Maestrojuán GM, Boone JE, Mah RA, Menaia JAGF, Sachs MS, Boone DR. Taxonomy and halotolerance of mesophilic Methanosarcina strains, assignment of strains to species, and synonymy of Methanosarcina mazei and Methanosarcina frisia. Int. J. Syst. Bacteriol. 1992; 42:561-567. 🇺🇸
  • ⏰ According to Mästrojuan et al. (1992), this species is an earlier heterotypic synonym of Methanosarcina frisia (Blotevogel et al. 1986) Blotevogel and Fischer 1989. Publication: Maestrojuán GM, Boone JE, Mah RA, Menaia JAGF, Sachs MS, Boone DR. Taxonomy and halotolerance of mesophilic Methanosarcina strains, assignment of strains to species, and synonymy of Methanosarcina mazei and Methanosarcina frisia. Int. J. Syst. Bacteriol. 1992; 42:561-567. 🇺🇸
  • 🎓 Name mentioned 16 times in PubMed until 2026-06-11.

Parent taxon: Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Mah RA, Kuhn DA. Transfer of the type species of the genus Methanococcus to the genus Methanosarcina naming it Methanosarcina mazei (Barker 1936) comb. nov. et emend. and conservation of the genus Methanococcus (Approved Lists, 1980) with Methanococcus vannielii (Approved Lists, 1980) as the type species. Request for an opinion. Int. J. Syst. Bacteriol. 1984; 34:263-265.

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Record number: 798640