Name: Anaerobutyricum hallii (Holdeman and Moore 1974) Shetty et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Eubacterium hallii Holdeman and Moore 1974 (Approved Lists 1980)

Etymology: hal’li.i. N.L. gen. masc. n. hallii, of Hall, named for Ivan C. Hall, an American microbiologist

Pronunciation (Latin), gender: an-a-e-ro-bu-TY-ri-kum HAL-li-i, neuter

Type strain: ATCC 27751; DSM 3353; VPI B4-27

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: L34621 Analyse FASTA

Valid publication: Shetty SA, Zuffa S, Bui TPN, Aalvink S, Smidt H, De Vos WM. Reclassification of Eubacterium hallii as Anaerobutyricum hallii gen. nov., comb. nov., and description of Anaerobutyricum soehngenii sp. nov., a butyrate and propionate-producing bacterium from infant faeces. Int J Syst Evol Microbiol 2018; 68:3741-3746. 🇳🇱

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 12 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:600-601.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Eubacterium hallii Holdeman and Moore 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Anaerobutyricum Shetty et al. 2018. Publication: Shetty SA, Zuffa S, Bui TPN, Aalvink S, Smidt H, De Vos WM. Reclassification of Eubacterium hallii as Anaerobutyricum hallii gen. nov., comb. nov., and description of Anaerobutyricum soehngenii sp. nov., a butyrate and propionate-producing bacterium from infant faeces. Int J Syst Evol Microbiol 2018; 68:3741-3746. 🇳🇱
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. The phrase "validly described" is misleading. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 😷 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 38 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.

Parent taxon: Anaerobutyricum Shetty et al. 2018

Assigned by: Shetty SA, Zuffa S, Bui TPN, Aalvink S, Smidt H, De Vos WM. Reclassification of Eubacterium hallii as Anaerobutyricum hallii gen. nov., comb. nov., and description of Anaerobutyricum soehngenii sp. nov., a butyrate and propionate-producing bacterium from infant faeces. Int J Syst Evol Microbiol 2018; 68:3741-3746. 🇳🇱

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Record number: 799910