Name: Thomasclavelia cocleata (Kaneuchi et al. 1979) Lawson et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium cocleatum Kaneuchi et al. 1979 (Approved Lists 1980)

Etymology: co.cle.a’ta. L. fem. n. coclea, a snail shell or whirlpool; L. fem. adj. cocleata, in the shape of a snail shell or whirlpool

Pronunciation (Latin), gender: … ko-kle-A-ta, feminine

Type strain: ATCC 29902; CCUG 46310; DSM 1551; I50; JCM 1397; NCTC 11210

Conduct genome-based taxonomy at

16S rRNA gene: Y18188 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 cocleatum Kaneuchi et al. 1979 (Approved Lists 1980)

• Synonyms:

  • Name	Kind
    Clostridium cocleatum Kaneuchi et al. 1979 (Approved Lists 1980)	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 cocleata 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 1 time 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.

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: 36077