Species Clostridium formicaceticum

Name: Clostridium formicaceticum corrig. Andreesen et al. 1970 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: for.mic.a.ce’ti.cum. L. fem. n. formica, an ant; N.L. masc. adj. formicicus, pertaining to ants, to formic acid; L. neut. n. acetum, wine-vinegar; N.L. masc. adj. aceticus, pertaining to vinegar, to acetic acid; N.L. neut. adj. formicaceticum, pertaining to formic and acetic acids

Pronunciation (Latin), gender: … for-mik-a-KE-ti-kum, neuter

Type strain: ATCC 27076; DSM 92

Conduct genome-based taxonomy at

16S rRNA gene: X77836 Analyse FASTA

Effective publication: Andreesen JR, Gottschalk G, Schlegel HG. Clostridium formicoaceticum nov. spec. isolation, description and distinction from C. aceticum and C. thermoaceticum. Arch Mikrobiol 1970; 72:154-174.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Andreesenella formicacetica corrig. (Andreesen et al. 1970) Poehlein et al. 2026

Risk group: 1

Synonyms:

Name	Kind
"Andreesenella formicoacetica" (Andreesen et al. 1970) Poehlein et al. 2025	homotypic synonym, inaccurate spelling
Andreesenella formicoacetica (Andreesen et al. 1970) Poehlein et al. 2026	homotypic synonym, inaccurate spelling
Andreesenella formicacetica corrig. (Andreesen et al. 1970) Poehlein et al. 2026	homotypic synonym, validly published under the ICNP
"Andreesenella formicacetica" corrig. (Andreesen et al. 1970) Poehlein et al. 2025	homotypic synonym, not validly published
Clostridium formicoaceticum Andreesen et al. 1970 (Approved Lists 1980)	other spelling of name, inaccurate spelling

Notes:
- ❗ Clostridium formicaceticum 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 Clostridium.
- 😷 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 Swiss Confederation has been imported on 2024-02-01. 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.
- 🙅 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.
- 🧍 The original spelling, Clostridium formicoaceticum (sic), has been corrected by Cato et al. 1986. Publication: Cato EP, George WL, Finegold SM. Genus Clostridium Prazmowski 1880, 23AL. In: Sneath PHA, Mair NS, Sharpe ME, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, p. 1141-1200.

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Andreesen JR, Gottschalk G, Schlegel HG. Clostridium formicoaceticum nov. spec. isolation, description and distinction from C. aceticum and C. thermoaceticum. Arch Mikrobiol 1970; 72:154-174.

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Record number: 774881

This LPSN page was printed on 2026-02-15 05:05:22

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Species Clostridium formicaceticum