Name: Methanothermus fervidus Stetter 1982

Category: Species

Proposed as: sp. nov.

Etymology: fer.vi.dus. L. masc. adj. fervidus, glowing hot, burning, fervent, because of its growth in almost-boiling water

Gender: masculine

Type strain: ATCC 43054; DSM 2088; JCM 10308

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: CP002278 Analyse FASTA

Effective publication: Stetter KO, Thomm M, Winter J, Wildgruber G, Huber H, Zillig W, Janekovic D, König H, Palm P, Wunderl S. Methanothermus fervidus sp. nov., a novel extremely thermophilic methanogen isolated from an Icelandic hot spring. Zentralbl. Mikrobiol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1981; C2:166-178.

IJSEM list: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Methanothermus Stetter 1982. Publication: Stetter KO, Thomm M, Winter J, Wildgruber G, Huber H, Zillig W, Janekovic D, König H, Palm P, Wunderl S. Methanothermus fervidus sp. nov., a novel extremely thermophilic methanogen isolated from an Icelandic hot spring. Zentralbl. Mikrobiol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1981; C2:166-178.
  • ✏ The authority of the taxon name (Stetter) deliberately differs from the authors of the publication (Stetter et al.).
  • 😷 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 90 times in PubMed until 2024-03-27.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Anderson I, Djao OD, Misra M, Chertkov O, Nolan M, Lucas S, Lapidus A, Del Rio TG, Tice H, Cheng JF, et al. Complete genome sequence of Methanothermus fervidus type strain (V24S). Stand Genomic Sci 2010; 3:315-324.
  • 🧍 In the reference citation of Methanothermus fervidus Stetter1982 (see Validation List no. 8), the author's name Janekovic is cited as Jane-Covic. Publication: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.
  • 🧍 The name Methanothermus fervidus must be attributed to Stetter 1982 (in Stetter, Thomm, Winter, Wildgruber, Huber, Zillig, Janekovic, König, Palm and Wunderl 1981) not to Stetter et al. 1982 as cited in Validation List no. 8. Publication: Stetter KO. Genus I. Methanothermus Stetter 1982b, 267VP (Effective publication: Stetter in Stetter, Thomm, Winter, Wildgruber, Huber, Zillig, Janekovic, König, Palm and Wunderl 1981, 177). 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. 233-235.

Parent taxon: Methanothermus Stetter 1982

Assigned by: Stetter KO, Thomm M, Winter J, Wildgruber G, Huber H, Zillig W, Janekovic D, König H, Palm P, Wunderl S. Methanothermus fervidus sp. nov., a novel extremely thermophilic methanogen isolated from an Icelandic hot spring. Zentralbl. Mikrobiol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1981; C2:166-178.

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Record number: 777951