Name: Acetomicrobium faecale corrig. Winter et al. 1988

Category: Species

Proposed as: sp. nov.

Etymology: fae.ca’le. L. fem. n. faex (gen. faecis), dregs, faeces; L. neut. adj. suff. -ale, suffix denoting pertaining to; N.L. neut. adj. faecale, pertaining to faeces, fecal

Gender: neuter

Type strain: DSM 20678; JCM 30420

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR749980 Analyse FASTA

Effective publication: Winter J, Braun E, Zabel HP. Acetomicrobium faecalis spec. nov., a strictly anaerobic bacterium from sewage sludge, producing ethanol from pentoses. Syst. Appl. Microbiol. 1987; 9:71-76.

IJSEM list: Anonymous. Validation list no. 24. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:136-137.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Caldicoprobacter faecalis (Winter et al. 1988) Bouanane-Darenfed et al. 2015

Risk group: 1

• Synonyms:

  • Name	Kind
    Caldicoprobacter faecalis (Winter et al. 1988) Bouanane-Darenfed et al. 2015	homotypic synonym, validly published under the ICNP
    Acetomicrobium faecalis Winter et al. 1988	other spelling of name, inaccurate spelling

• Notes:
  • Acetomicrobium faecale is the correct name 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 Acetomicrobium.
  • The original spelling of the specific epithet, faecalis (sic), has been corrected by Euzéby 1998. Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075.
  • Yarza et al. (2013) expected for accessions FR749980-FR749983, originating from the alleged type-strain deposit DSM 20678, an affiliation with Bacteroidaceae (Bacteroidetes) but observed an affiliation with a deep branch in Clostridia and 99.46% similarity against Caldicoprobacter oshimai. Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73.
  • Nom. corrig.: IJSB 48:1073; Acetomicrobium faecalis (sic). Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075.

Parent taxon: Acetomicrobium Soutschek et al. 1985

Assigned by: Winter J, Braun E, Zabel HP. Acetomicrobium faecalis spec. nov., a strictly anaerobic bacterium from sewage sludge, producing ethanol from pentoses. Syst. Appl. Microbiol. 1987; 9:71-76.

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Record number: 772540