Name: Thermoanaerobacter pseudethanolicus Onyenwoke et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: pseud.e.tha.no’li.cus. Gr. masc./fem. adj. pseudês, false; N.L. masc. adj. ethanolicus, a bacteria-specific epithet; N.L. masc. adj. pseudethanolicus, a false (Thermoanaerobacter) ethanolicus

Pronunciation, gender: pse͡ud-e-t^ha-NO-li-kus, masculine

Type strain: 39E; ATCC 33223; DSM 2355

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: L09164 Analyse FASTA

Valid publication: Onyenwoke RU, Kevbrin VV, Lysenko AM, Wiegel J. Thermoanaerobacter pseudethanolicus sp. nov., a thermophilic heterotrophic anaerobe from Yellowstone National Park. Int J Syst Evol Microbiol 2007; 57:2191-2193.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 10 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:3-4.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.09309 (N = 10).
  • 😷 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 28 times in PubMed until 2025-06-04.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Thermoanaerobacter pseudethanolicus subsp. finnii" (Schmid et al. 1986) Bing 2024	not validly published	synonym

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Onyenwoke RU, Kevbrin VV, Lysenko AM, Wiegel J. Thermoanaerobacter pseudethanolicus sp. nov., a thermophilic heterotrophic anaerobe from Yellowstone National Park. Int J Syst Evol Microbiol 2007; 57:2191-2193.

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Record number: 786782