Name: Methanothermobacter thermoflexus (Kotelnikova et al. 1994) Boone 2002

Category: Species

Proposed as: comb. nov.

Basonym: Methanobacterium thermoflexum Kotelnikova et al. 1994

Etymology: ther.mo.fle.xus. Gr. fem. adj. thermê, heat; L. masc. perf. part. flexus, curved, bent, crooked; N.L. masc. part. adj. thermoflexus, heat-(loving) and bent or crooked

Gender: masculine

Type strain: ATCC 51444; DSM 7268; IDZ; OCM 571; VKM B-1963

See detailed strain information at

16S rRNA gene: X99047 Analyse FASTA

Effective publication: Boone DR. Genus IV. Methanothermobacter Wasserfallen, Nölling, Pfister, Reeve and Conway de Macario 2000, 51VP. 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. 232-233.

IJSEM list: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanobacterium thermoflexum Kotelnikova et al. 1994	homotypic synonym, validly published under the ICNP
    "Methanothermobacter thermoflexus" (Kotelnikova et al. 1994) Wasserfallen et al. 2000	homotypic synonym, not validly published

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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.
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-28.
  • 🧍 In Validation List no. 85, the page numbers of the effective publication are erroneously cited as "pp. 232-233". Publication: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Parent taxon: Methanothermobacter Wasserfallen et al. 2000

Assigned by: Boone DR. Genus IV. Methanothermobacter Wasserfallen, Nölling, Pfister, Reeve and Conway de Macario 2000, 51VP. 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. 232-233.

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Record number: 777946