Species Clostridium thermoautotrophicum

Name: Clostridium thermoautotrophicum Wiegel et al. 1982

Category: Species

Proposed as: sp. nov.

Pronunciation (Latin), gender: klos-TRI-di-um t^her-mo-a͡u-to-TRO-p^hi-kum, neuter

Type strain: ATCC 33924; DSM 1974; JW 701/3

Conduct genome-based taxonomy at

16S rRNA gene: X77849 Analyse FASTA

Effective publication: Wiegel J, Braun M, Gottschalk G. Clostridium thermoautotrophicum species nova, a thermophile producing acetate from molecular hydrogen and carbon dioxide. Curr. Microbiol. 1981; 5:255-260.

IJSEM list: Anonymous. Validation list no. 9. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:384-385.

Nomenclatural status: inaccurate spelling and rejected

Taxonomic status: misspelling (and not recommended for medical use)

Preferred name: Clostridium thermautotrophicum corrig. Wiegel et al. 1982

Risk group: 1

Synonyms:

Name	Kind
Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994	heterotypic synonym, validly published under the ICNP, illegitimate name
Clostridium thermaceticum corrig. Fontaine et al. 1942 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, inappropriate correction
Moorella thermoautotrophica (Wiegel et al. 1982) Collins et al. 1994	homotypic synonym, validly published under the ICNP, rejected name
Neomoorella thermoacetica (Fontaine et al. 1942) Gtari and Ventura 2025	heterotypic synonym, validly published under the ICNP
Clostridium thermautotrophicum corrig. Wiegel et al. 1982	corrected spelling of name, validly published under the ICNP, rejected name
Clostridium thermoaceticum Fontaine et al. 1942 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Redl et al. (2020), this species is a later heterotypic synonym of Clostridium thermaceticum corrig. Fontaine et al. 1942 (Approved Lists 1980). Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070. 🇩🇪
- ⏲ According to Redl et al. (2020), this species is a later heterotypic synonym of Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994. Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070. 🇩🇪
- ⏲ According to Redl et al. (2020), this species is a later heterotypic synonym of Clostridium thermoaceticum Fontaine et al. 1942 (Approved Lists 1980). Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070. 🇩🇪
- ⏲ According to Redl et al. (2020), this species is a later heterotypic synonym of Neomoorella thermoacetica (Fontaine et al. 1942) Gtari and Ventura 2025. Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070. 🇩🇪
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
- 😷 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 14 times in PubMed until 2026-06-11.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
- 🧍 Rejected name (Opinion 115) and misspelling. Publication: Arahal et al. Judicial Opinion No. 122. Int J Syst Evol Microbiol 2022; 72:5481.

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Wiegel J, Braun M, Gottschalk G. Clostridium thermoautotrophicum species nova, a thermophile producing acetate from molecular hydrogen and carbon dioxide. Curr. Microbiol. 1981; 5:255-260.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783677Link copied to clipboard

Record number: 783677

This LPSN page was printed on 2026-08-14 12:50:59

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Species Clostridium thermoautotrophicum