Name: Methanocaldococcus jannaschii (Jones et al. 1984) Whitman 2002

Category: Species

Proposed as: comb. nov.

Basonym: Methanococcus jannaschii Jones et al. 1984

Etymology: jan.nasch’i.i. N.L. gen. masc. n. jannaschii, of Jannasch, named for the marine microbiologist H.W. Jannasch

Gender: masculine

Type strain: ATCC 43067; CIP 104961; DSM 2661; JAL-1; JCM 10045; NBRC 100440; OCM 168

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB603516 Analyse FASTA

Effective publication: Whitman WB. Genus I. Methanocaldococcus gen. nov. 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. 243-245.

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
    "Methanocaldococcus jannaschii" (Jones et al. 1984) Boone et al. 1993	homotypic synonym, not validly published
    Methanococcus jannaschii Jones et al. 1984	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Methanocaldococcus Whitman 2002. Publication: Whitman WB. Genus I. Methanocaldococcus gen. nov. 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. 243-245.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 408 times in PubMed until 2024-03-28.
  • 🧍 According to Rules 27(3) and 30, this name is not validly published because the effective publication only documents deposit of the type strain in a single recognized culture collection. However, according to the Judicial Opinion 81, Methanocaldococcus jannaschii (Jones et al. 1984) Whitman 2002 is to be considered to be validly published. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.

Parent taxon: Methanocaldococcus Whitman 2002

Assigned by: Whitman WB. Genus I. Methanocaldococcus gen. nov. 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. 243-245.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/methanocaldococcus-jannaschiiCopy to clipboardLink copied to clipboard

Record number: 777838