Name: Methanococcus infernus Jeanthon et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: in.fer’nus. L. masc. adj. infernus, referring to the place of isolation, deep-sea hydro thermal vents (can be noun or adjective)

Gender: masculine

Type strain: DSM 11812; JCM 15783; ME

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF025822 Analyse FASTA

Valid publication: Jeanthon C, L'Haridon S, Reysenbach AL, Vernet M, Messner P, Sleytr UB, Prieur D. Methanococcus infernus sp. nov., a novel hyperthermophilic lithotrophic methanogen isolated from a deep-sea hydrothermal vent. Int J Syst Bacteriol 1998; 48:913-919.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Methanocaldococcus infernus (Jeanthon et al. 1998) Whitman 2002

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanocaldococcus infernus (Jeanthon et al. 1998) Whitman 2002	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Methanococcus infernus 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 Methanococcus.
  • 😷 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 2024-03-28.

Parent taxon: Methanococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Jeanthon C, L'Haridon S, Reysenbach AL, Vernet M, Messner P, Sleytr UB, Prieur D. Methanococcus infernus sp. nov., a novel hyperthermophilic lithotrophic methanogen isolated from a deep-sea hydrothermal vent. Int J Syst Bacteriol 1998; 48:913-919.

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Record number: 777851