Name: Thermoanaerobacter tengcongensis Xue et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: teng.cong.en’sis. N.L. masc. adj. tengcongensis, pertaining to Tengcong, China

Pronunciation (Latin), gender: t^her-mo-an-a-e-ro-BAK-ter ten͡g-kon͡g-EN-sis, masculine

Type strain: Chinese Collection of Microorganisms AS 1.2430; DSM 15242; JCM 11007; MB4; NBRC 100824

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF209708 Analyse FASTA

Valid publication: Xue Y, Xu Y, Liu Y, Ma Y, Zhou P. Thermoanaerobacter tengcongensis sp. nov., a novel anaerobic, saccharolytic, thermophilic bacterium isolated from a hot spring in Tengcong, China. Int J Syst Evol Microbiol 2001; 51:1335-1341. 🇨🇳

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 4 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1621-1623.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Caldanaerobacter subterraneus subsp. tengcongensis (Xue et al. 2001) Fardeau et al. 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Caldanaerobacter subterraneus subsp. tengcongensis (Xue et al. 2001) Fardeau et al. 2004	homotypic synonym, validly published under the ICNP, distinct rank

• 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 tengcongensis 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 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 152 times in PubMed until 2026-06-11.

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Xue Y, Xu Y, Liu Y, Ma Y, Zhou P. Thermoanaerobacter tengcongensis sp. nov., a novel anaerobic, saccharolytic, thermophilic bacterium isolated from a hot spring in Tengcong, China. Int J Syst Evol Microbiol 2001; 51:1335-1341. 🇨🇳

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Record number: 782514