Name: Methanosarcinia Chuvochina et al. 2024

Category: Class

Proposed as: class. nov.

Etymology: Me.tha.no.sar.ci’ni.a. N.L. fem. n. Methanosarcina, type genus of the class; L. neut. pl. n. suff. -ia, ending to denote a class; N.L. neut. pl. n. Methanosarcinia, class of the genus Methanosarcina [incorrectly formed: genus should have been the type]

Pronunciation (Latin), gender: me-t^ha-no-sar-KI-ni-a, neuter

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

Effective publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺

IJSEM list: Oren A, Göker M. Validation list no. 215. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Methanosarcinia" Rinke et al. 2021	homotypic synonym, not validly published
    "Methanocellia" Rinke et al. 2021	heterotypic synonym, not validly published
    Methanocellia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Chuvochina et al. (2023) assigned this class to the phylum Halobacteriota Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🧒 Chuvochina et al. (2023) assigned the genus Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980) to this class. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🧒 Chuvochina et al. (2023) assigned the order Methanotrichales Akinyemi et al. 2021 to this class. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 77; JCM: 40; OCM: 30; ATCC: 26; NBRC: 18; VKM: 8; CGMCC: 6; BCRC: 5; KCTC: 2; B: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanocellales Sakai et al. 2008	validly published under the ICNP	correct name
    Methanosarcinales Boone et al. 2002	validly published under the ICNP	correct name
    "Methanotrichales" Rinke et al. 2021	not validly published	synonym
    Methanotrichales Akinyemi et al. 2021	validly published under the ICNP	synonym

Parent taxon: Methanobacteriota Garrity and Holt 2023

Assigned by: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.43495Copy to clipboardLink copied to clipboard

Record number: 43495

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31