Name: "Methanothermobacter thermophilus" (Laurinavichus et al. 1990) Wasserfallen et al. 2000

Category: Species

Proposed as: comb. nov.

Basonym: Methanobacterium thermophilum Laurinavichus et al. 1990

Etymology: ther.mo’phi.lus. N.L. masc. adj. thermophilus, sic

Pronunciation (Latin), gender: … t^her-MO-p^hi-lus, masculine

Nomenclatural type: DSM 6529; M; OCM 231; VKM B-1786

See detailed strain information at

16S rRNA gene: X99048 Analyse FASTA

Original publication: Wasserfallen A, Nolling J, Pfister P, Reeve J, Conway de Macario E. Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int J Syst Evol Microbiol 2000; 50:43-53. 🇨🇭

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Methanothermobacter thermophilus (Laurinavichus et al. 1990) Boone 2002

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanothermobacter thermophilus (Laurinavichus et al. 1990) Boone 2002	homotypic synonym, validly published under the ICNP
    Methanobacterium thermophilum Laurinavichus et al. 1990	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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.
  • 🧍 Considered not validly published (name mentioned incidentally). Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱

Parent taxon: Methanothermobacter Wasserfallen et al. 2000

Assigned by: Wasserfallen A, Nolling J, Pfister P, Reeve J, Conway de Macario E. Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int J Syst Evol Microbiol 2000; 50:43-53. 🇨🇭

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Record number: 16748