Name: Methanogenium aggregans Ollivier et al. 1985

Category: Species

Proposed as: sp. nov.

Etymology: ag’gre.gans. L. neut. part. adj. aggregans, assembling, aggregating

Gender: neuter

Type strain: DSM 3027; MSt; OGC 21

See detailed strain information at

16S rRNA gene: HG794418 Analyse FASTA

Valid publication: Ollivier BM, Mah RA, Garcia JL, Robinson R. Isolation and characterization of Methanogenium aggregans sp. nov. Int. J. Syst. Bacteriol. 1985; 35:127-130.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Methanocorpusculum aggregans (Ollivier et al. 1985) Xun et al. 1989

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanocorpusculum parvum Zellner et al. 1988	heterotypic synonym, validly published under the ICNP
    Methanocorpusculum aggregans (Ollivier et al. 1985) Xun et al. 1989	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Boone et al. (2001), this species is an earlier heterotypic synonym of Methanocorpusculum parvum Zellner et al. 1988. Publication: Chong SG, Boone DR. Genus I. Methanocorpusculum Zellner, Alten, Stackebrandt, Conway de Macario and Winter 1988, 136VP (Effective publication Zellner, Alten, Stackebrandt, Conway de Macario and Winter 1987, 18) emend. Xun, Boone and Mah 1989, 110. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 262-264.
  • ❗ Methanogenium aggregans 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 Methanogenium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 1 time in PubMed until 2025-06-04.

Parent taxon: Methanogenium Romesser et al. 1981

Assigned by: Ollivier BM, Mah RA, Garcia JL, Robinson R. Isolation and characterization of Methanogenium aggregans sp. nov. Int. J. Syst. Bacteriol. 1985; 35:127-130.

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Record number: 777880