Name: Coprobacillus cateniformis corrig. Kageyama and Benno 2000

Category: Species

Proposed as: sp. nov.

Etymology: ca.te.ni.for’mis. L. fem. n. catena, chain; L. adj. suff. -formis -is -e, -like, in the shape of; from L. fem. n. forma, figure, shape, appearance; N.L. masc. adj. cateniformis, chain-like

Pronunciation, gender: ka-te-ni-FOR-mis, masculine

Type strain: CIP 106690; DSM 15921; JCM 10604; RCA1-24

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB030219 Analyse FASTA

Effective publication: Kageyama A, Benno Y. Coprobacillus catenaformis gen. nov., sp. nov., a new genus and species isolated from human feces. Microbiol Immunol 2000; 44:23-28. 🇯🇵

IJSEM list: Anonymous. Validation list no. 74. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:949-950.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Coprobacillus catenaformis Kageyama and Benno 2000	other spelling of name, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Coprobacillus Kageyama and Benno 2000. Publication: Kageyama A, Benno Y. Coprobacillus catenaformis gen. nov., sp. nov., a new genus and species isolated from human feces. Microbiol Immunol 2000; 44:23-28. 🇯🇵
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. 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 6 times in PubMed until 2025-06-04.
  • 🙆 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 pathogenicity of the species itself.
  • 🧍 The original spelling of the specific epithet, catenaformis (sic), has been corrected on validation according to Rule 61. Publication: Anonymous. Validation list no. 74. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:949-950.

Parent taxon: Coprobacillus Kageyama and Benno 2000

Assigned by: Kageyama A, Benno Y. Coprobacillus catenaformis gen. nov., sp. nov., a new genus and species isolated from human feces. Microbiol Immunol 2000; 44:23-28. 🇯🇵

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Record number: 775119