Name: Methanosarcinaceae Balch and Wolfe 1981

Category: Family

Proposed as: fam. nov.

Etymology: Me.tha.no.sar.ci.na’ce.ae. N.L. fem. n. Methanosarcina, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Methanosarcinaceae, the Methanosarcina family

Pronunciation (Latin), gender: me-t^ha-no-sar-ki-NA-ke-a͡e, feminine

Type genus: Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980)

Effective publication: Balch WE, Fox GE, Magrum LJ, Woese CR, Wolfe RS. Methanogens: reevaluation of a unique biological group. Microbiol Rev 1979; 43:260-296.

IJSEM list: Anonymous. Validation list no. 6. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1981; 31:215-218.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Sowers et al. 1984 Sowers KR, Johnson JL, Ferry JG. Phylogenic relationships among the methylotrophic methane-producing bacteria and emendation of the family Methanosarcinaceae. Int. J. Syst. Bacteriol. 1984; 34:444-450. 🇺🇸

• Notes:
  • 🖹 Minimal standards for the description of new taxa in this group were published in 1988. Publication: Boone DR, Whitman WB. Proposal of Minimal Standards for Describing New Taxa of Methanogenic Bacteria. Int. J. Syst. Evol. Microbiol. 1988; 38:212-219. 🇺🇸
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Sowers et al. (1984). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • ✏ The authority of the taxon name (Balch and Wolfe) deliberately differs from the authors of the publication (Balch et al.).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 62; JCM: 32; OCM: 28; ATCC: 24; NBRC: 12; VKM: 5; BCRC: 3; CGMCC: 2; KCTC: 2; UBOCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 10
Number of child taxa with a validly published name, including synonyms: 10
Total number of child taxa: 15

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Halomethanococcus Yu and Kawamura 1988	validly published under the ICNP	correct name
    Methanimicrococcus corrig. Sprenger et al. 2000	validly published under the ICNP	correct name
    Methanococcoides Sowers and Ferry 1985	validly published under the ICNP	correct name
    "Methanofrustulum" Protasov and Brune 2023	not validly published	preferred name
    Methanohalobium Zhilina and Zavarzin 1988	validly published under the ICNP	correct name
    Methanohalophilus Paterek and Smith 1988	validly published under the ICNP	correct name
    "Methanolapillus" Protasov and Brune 2023	not validly published	synonym
    Methanolapillus Protasov and Brune 2025	validly published under the ICNP	correct name
    Methanolobus König and Stetter 1983	validly published under the ICNP	correct name
    Methanomethylovorans Lomans et al. 2004	validly published under the ICNP	correct name
    Methanomicrococcus Sprenger et al. 2000	inaccurate spelling	misspelling
    Methanosalsum Boone and Baker 2002	validly published under the ICNP	correct name
    "Methanosalsus" Boone et al. 1993	not validly published	synonym
    Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980)	validly published under the ICNP, conserved name	correct name
    "Candidatus Methanovorans" Chadwick et al. 2022	not validly published	preferred name

Parent taxon: Methanosarcinales Boone et al. 2002

Assigned by: Boone DR, Whitman WB, Koga Y. Order III. Methanosarcinales ord. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 268-294. 🇺🇸

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Record number: 840