Name: Thomasclavelia saccharogumia (Clavel et al. 2007) Lawson et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium saccharogumia Clavel et al. 2007

Etymology: sac.cha.ro.gu’mi.a. L. fem. n. gumia, eater; N.L. fem. n. saccharogumia, sugar eater (nominative in apposition)

Pronunciation (Latin), gender: … sak-k^ha-ro-GU-mi-a, feminine

Type strain: CCUG 51486; DSM 17460; SDG-Mt85-3Db

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: DQ100445 Analyse FASTA

Valid publication: Lawson PA, Saavedra Perez L, Sankaranarayanan K. Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov. Int J Syst Evol Microbiol 2023; 73:5694. 🇺🇸

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 1 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5835.

Nomenclatural status: validly published under the ICNP

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

Correct name: Clostridium saccharogumia Clavel et al. 2007

• Synonyms:

  • Name	Kind
    Clostridium saccharogumia Clavel et al. 2007	homotypic synonym, validly published under the ICNP

• Notes:
  • 😢 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. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. The usage of the term "coherent taxon" (or equivalent) is cautioned against. 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. 🇬🇧
  • ❗ Thomasclavelia saccharogumia 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 Thomasclavelia.
  • 🎓 Name mentioned 2 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. This name is not taxonomically suspended any more (but still isn't preferred) in favour of Clostridium saccharogumia Clavel et al. 2007. Publication: Clavel T, Lippman R, Gavini F, Dore J, Blaut M. Clostridium saccharogumia sp. nov. and Lactonifactor longoviformis gen. nov., sp. nov., two novel human faecal bacteria involved in the conversion of the dietary phytoestrogen secoisolariciresinol diglucoside. Syst Appl Microbiol 2007; 30:16-26. 🇩🇪 Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Parent taxon: Thomasclavelia Lawson et al. 2023

Assigned by: Lawson PA, Saavedra Perez L, Sankaranarayanan K. Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov. Int J Syst Evol Microbiol 2023; 73:5694. 🇺🇸

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Record number: 36071