Species Clostridium coccoides

Name: Clostridium coccoides Kaneuchi et al. 1976 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: coc.co.i’des. N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; L. adj. suff. -oides, ressembling, similar; from Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure; N.L. neut. adj. coccoides, berry-shaped

Pronunciation (Latin), gender: klos-TRI-di-um kok-ko-I-des, neuter

Type strain: ATCC 29236; DSM 935; JCM 1395; NCTC 11035

Conduct genome-based taxonomy at

16S rRNA gene: AB571656 Analyse FASTA

Effective publication: Kaneuchi C, Benno Y, Mitsuoka T. Clostridium cocoides, a new species from the feces of mice. International Journal of Systematic Bacteriology 1976; 26:482-486.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Blautia producta (Prévot 1941) Liu et al. 2008

Risk group: 1

Synonyms:

Name	Kind
"Streptococcus productus" Prévot 1941	heterotypic synonym, not validly published, basonym of name in Approved Lists
Ruminococcus productus (Prévot 1941) Ezaki et al. 1994	heterotypic synonym, validly published under the ICNP
Peptostreptococcus productus (Prévot 1941) Smith 1957 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Blautia producta (Prévot 1941) Liu et al. 2008	heterotypic synonym, validly published under the ICNP
Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008	homotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Fatahi-Bafghi (2025), this species is a later heterotypic synonym of "Streptococcus productus" Prévot 1941. Publication: Fatahi-Bafghi M. Genome-based reclassification of Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008 as a later heterotypic synonym of Blautia producta (Prevot 1941) Liu et al. 2008. Int J Syst Evol Microbiol 2025; 75:6823. 🇮🇷
- ⏲ According to Fatahi-Bafghi (2025), this species is a later heterotypic synonym of Peptostreptococcus productus (Prévot 1941) Smith 1957 (Approved Lists 1980). Publication: Fatahi-Bafghi M. Genome-based reclassification of Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008 as a later heterotypic synonym of Blautia producta (Prevot 1941) Liu et al. 2008. Int J Syst Evol Microbiol 2025; 75:6823. 🇮🇷
- ⏲ According to Fatahi-Bafghi (2025), this species is a later heterotypic synonym of Ruminococcus productus (Prévot 1941) Ezaki et al. 1994. Publication: Fatahi-Bafghi M. Genome-based reclassification of Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008 as a later heterotypic synonym of Blautia producta (Prevot 1941) Liu et al. 2008. Int J Syst Evol Microbiol 2025; 75:6823. 🇮🇷
- ⏲ According to Fatahi-Bafghi (2025), this species is a later heterotypic synonym of Blautia producta (Prévot 1941) Liu et al. 2008. Publication: Fatahi-Bafghi M. Genome-based reclassification of Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008 as a later heterotypic synonym of Blautia producta (Prevot 1941) Liu et al. 2008. Int J Syst Evol Microbiol 2025; 75:6823. 🇮🇷
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 7 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6893.
- ❗ Clostridium coccoides 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 Clostridium.
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. 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 267 times in PubMed until 2026-06-11.
- 🙅 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: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Kaneuchi C, Benno Y, Mitsuoka T. Clostridium cocoides, a new species from the feces of mice. International Journal of Systematic Bacteriology 1976; 26:482-486.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.774858Link copied to clipboard

Record number: 774858

This LPSN page was printed on 2026-08-10 23:12:57

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Species Clostridium coccoides