Name: Thermotoga elfii Ravot et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: el’fi.i. N.L. gen. neut. n. elfii, of ELF, named after ELF-Aquitaine

Pronunciation (Latin), gender: t^her-MO-to-ga EL-fi-i, feminine

Type strain: ATCC 51869; DSM 9442; SEBR 6459; SERB

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X80790 Analyse FASTA

Valid publication: Ravot G, Magot M, Fardeau ML, Patel BK, Prensier G, Egan A, Garcia JL, Ollivier B. Thermotoga elfii sp. nov., a novel thermophilic bacterium from an African oil-producing well. Int J Syst Bacteriol 1995; 45:308-314. 🇫🇷

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 2 of the IJSB. Int J Syst Bacteriol 1995; 45:621.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Pseudothermotoga elfii (Ravot et al. 1995) Bhandari and Gupta 2014

Risk group: 1

• Synonyms:

  • Name	Kind
    Pseudothermotoga elfii (Ravot et al. 1995) Bhandari and Gupta 2014	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Thermotoga elfii 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 Thermotoga.
  • 😷 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 2026-08-13. 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 5 times in PubMed until 2026-06-11.

Parent taxon: Thermotoga Stetter and Huber 1986

Assigned by: Ravot G, Magot M, Fardeau ML, Patel BK, Prensier G, Egan A, Garcia JL, Ollivier B. Thermotoga elfii sp. nov., a novel thermophilic bacterium from an African oil-producing well. Int J Syst Bacteriol 1995; 45:308-314. 🇫🇷

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.782644Copy to clipboardLink copied to clipboard

Record number: 782644