Name: Thermoanaerobacter subterraneus Fardeau et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: sub.ter.ra’ne.us. L. prep. sub, less than; L. fem. n. terra, earth; L. masc. adj. subterraneus, under the earth, describing its site of isolation

Pronunciation, gender: … sup-ter-RA-ne-us, masculine

Type strain: 7858; ATCC BAA-225; CNCM I-2383; DSM 13054; SEBR 7858

See detailed strain information at

16S rRNA gene: AF195797 Analyse FASTA

Valid publication: Fardeau ML, Magot M, Patel BK, Thomas P, Garcia JL, Ollivier B. Thermoanaerobacter subterraneus sp. nov., a novel thermophile isolated from oilfield water. Int J Syst Evol Microbiol 2000; 50:2141-2149. 🇫🇷

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 6 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:267-268.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Caldanaerobacter subterraneus (Fardeau et al. 2000) Fardeau et al. 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Caldanaerobacter subterraneus (Fardeau et al. 2000) Fardeau et al. 2004	homotypic synonym, validly published under the ICNP

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • ❗ Thermoanaerobacter subterraneus 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 Thermoanaerobacter.
  • 😷 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. — 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 3 times in PubMed until 2025-06-04.
  • 🧍 CNCM is solely set up to deal with deposits on a confidential basis (i.e. patent deposits under the Budapest Treaty). Strain CNCM I-2383 is probably a patent deposit. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592. 🇫🇷

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Fardeau ML, Magot M, Patel BK, Thomas P, Garcia JL, Ollivier B. Thermoanaerobacter subterraneus sp. nov., a novel thermophile isolated from oilfield water. Int J Syst Evol Microbiol 2000; 50:2141-2149. 🇫🇷

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Record number: 782511