Name: Thomasclavelia ramosa (Veillon and Zuber 1898) Lawson et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus ramosus" Veillon and Zuber 1898

Etymology: ra.mo’sa. L. fem. adj. ramosa, much-branched

Gender: feminine

Type strain: ATCC 25582; BCRC 14518; CCRC 14518; CCUG 24038; CHUV1985; DSM 1402; JCM 1298; NCIB 10673; NCIMB 10673; NCTC 11812; VPI 0427; VTT E-062946

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X73440 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: correct name

• Synonyms:

  • Name	Kind
    "Erysipelatoclostridium ramosum" (Veillon and Zuber 1898) Yutin and Galperin 2013	homotypic synonym, not validly published
    "Bacillus ramosus" Veillon and Zuber 1898	homotypic synonym, not validly published, basonym of name in Approved Lists
    Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Thomasclavelia Lawson et al. 2023. 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.
  • 😢 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.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980), which has a risk group (Belgium) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980), which has a risk group (Canada) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980), which has a risk group (Swiss Confederation) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980), which has a risk group (Germany) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980), which has a risk group (Taiwan) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-27.

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: 36070