Name: Methanothrix concilii Patel 1985

Category: Species

Proposed as: sp. nov.

Etymology: con.ci’li.i. L. gen. neut. n. concilii, of a council, named after the National Research Council of Canada, in whose laboratories the type strain was isolated

Pronunciation, gender: kon-KI-li-i, feminine

Type strain: ATCC 35969; DSM 3671; GP6; JCM 10134; NRC 2989; OCM 69

Conduct genome-based taxonomy at

16S rRNA gene: CP002565 Analyse FASTA

Effective publication: Patel GB. Characterization and nutritional properties of Methanothrix concilii sp. nov., a mesophilic, aceticlastic methanogen. Can. J. Microbiol. 1984; 30:1383-1396.

IJSEM list: Anonymous. Validation list no. 17. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:223-225.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Methanothrix soehngenii Huser et al. 1983

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanosaeta concilii (Patel 1985) Patel and Sprott 1990	homotypic synonym, validly published under the ICNP, illegitimate name
    Methanothrix soehngenii Huser et al. 1983	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Touzel et al. (1988), this species is a later heterotypic synonym of Methanothrix soehngenii Huser et al. 1983. Publication: Touzel JP, Prensier G, Roustan JL, Thomas I, Dubourguier HC, Albagnac G. Description of a new strain of Methanothrix soehngenii and rejection of Methanothrix concilii as a synonym of Methanothrix soehngenii. Int. J. Syst. Bacteriol. 1988; 38:30-36.
  • ❗ Methanothrix concilii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Methanothrix.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 7 times in PubMed until 2025-06-04.

Parent taxon: Methanothrix Huser et al. 1983

Assigned by: Patel GB. Characterization and nutritional properties of Methanothrix concilii sp. nov., a mesophilic, aceticlastic methanogen. Can. J. Microbiol. 1984; 30:1383-1396.

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Record number: 777953