Species Thermoanaerobacter thermocopriae

Name: Thermoanaerobacter thermocopriae (Jin et al. 1988) Collins et al. 1994

Category, proposed as: species, comb. nov.

Basonym: Clostridium thermocopriae Jin et al. 1988

Etymology: ther.mo.co’pri.ae. Gr. fem. adj. thermê, heat; Gr. fem. n. kopria, dunghill; N.L. gen. fem. n. thermocopriae, of heat compost

Pronunciation (Latin), gender: t^her-mo-an-a-e-ro-BAK-ter t^her-mo-KO-pri-a͡e, masculine

Type strain: ATCC 51646; IAM 13577; JCM 4417501; JCM 7501; JT3-3

Conduct genome-based taxonomy at

16S rRNA gene: L09167 Analyse FASTA

Valid publication: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 4 of the IJSB. Int J Syst Bacteriol 1995; 45:199-200.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    "Thermoanaerobacter thermocopriae subsp. italicus" (Kozianowski et al. 1998) Bing 2024	heterotypic synonym, not validly published, distinct rank
    Clostridium thermocopriae Jin et al. 1988	homotypic synonym, validly published under the ICNP
    Thermoanaerobacter pentosaceus Tomás et al. 2013	heterotypic synonym, validly published under the ICNP
    "Thermoanaerobacter thermocopriae subsp. mathranii" (Larsen et al. 1998) Bing 2024	heterotypic synonym, not validly published, distinct rank
    Thermoanaerobacter mathranii Larsen et al. 1998	heterotypic synonym, validly published under the ICNP
    Thermoanaerobacter italicus Kozianowski et al. 1998	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Bouras et al. 2026 Bouras N, Dif G, Belghit S, Nguyen SV, Jacobs JL, Toumatia O, Ebada SS, Nouioui I. Genome-based reclassification of the genus Thermoanaerobacter: taxonomic emendations and new combinations. Anaerobe 2026; 0:103027. 🇩🇿 Oren A, Göker M. List of changes in taxonomic opinion no. 44. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2026; 76:7140.
    Notes:
    • 🫂 Emendation accompanied by 3 proposals regarding the synonymy of the species.

• Notes:
  • ⏰ According to Bouras et al. (2026), this species is an earlier heterotypic synonym of Thermoanaerobacter italicus Kozianowski et al. 1998. Publication: Bouras N, Dif G, Belghit S, Nguyen SV, Jacobs JL, Toumatia O, Ebada SS, Nouioui I. Genome-based reclassification of the genus Thermoanaerobacter: taxonomic emendations and new combinations. Anaerobe 2026; 0:103027. 🇩🇿
  • ⏰ According to Bouras et al. (2026), this species is an earlier heterotypic synonym of Thermoanaerobacter mathranii Larsen et al. 1998. Publication: Bouras N, Dif G, Belghit S, Nguyen SV, Jacobs JL, Toumatia O, Ebada SS, Nouioui I. Genome-based reclassification of the genus Thermoanaerobacter: taxonomic emendations and new combinations. Anaerobe 2026; 0:103027. 🇩🇿
  • ⏰ According to Bouras et al. (2026), this species is an earlier heterotypic synonym of Thermoanaerobacter pentosaceus Tomás et al. 2013. Publication: Bouras N, Dif G, Belghit S, Nguyen SV, Jacobs JL, Toumatia O, Ebada SS, Nouioui I. Genome-based reclassification of the genus Thermoanaerobacter: taxonomic emendations and new combinations. Anaerobe 2026; 0:103027. 🇩🇿
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. List of changes in taxonomic opinion no. 44. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2026; 76:7140.
  • 🧬 The phylogenomic assignment score of this taxon is 0.08582 (N = 8).
  • 😷 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 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 12 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. 🇺🇸

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: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Thermoanaerobacter thermocopriae subsp. alimentarius" (Carlier et al. 2007) Bing 2024	not validly published	synonym
    "Thermoanaerobacter thermocopriae subsp. italicus" (Kozianowski et al. 1998) Bing 2024	not validly published	synonym
    "Thermoanaerobacter thermocopriae subsp. mathranii" (Larsen et al. 1998) Bing 2024	not validly published	synonym
    "Thermoanaerobacter thermocopriae subsp. thermocopriae" (Jin et al. 1988) Bing 2024	not validly published	synonym of its species

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826. 🇬🇧

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.782515Copy to clipboardLink copied to clipboard

Record number: 782515

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31
    2	2026-08-04
    3	2026-08-05