Name: Mitsuokella multiacidus (Mitsuoka et al. 1974) Shah and Collins 1983

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides multiacidus Mitsuoka et al. 1974 (Approved Lists 1980)

Gender: feminine

Type strain: ATCC 27723; CCUG 21055; CIP 107116; DSM 20544; JCM 2054; NCTC 10934

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X81878 Analyse FASTA

Effective publication: Shah HN, Collins MD. Reclassification of Bacteroides multiacidus (Mitsuoka, Terada, Watanabe and Uchida) in a new genus Mitsuokella, as Mitsuokella multiacidus comb. nov. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. I Abt. Orig. C 1982; 3:491-494.

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling

Correct name: Mitsuokella multacida corrig. (Mitsuoka et al. 1974) Shah and Collins 1983

Risk group: 2

• Synonyms:

  • Name	Kind
    Mitsuokella multacida corrig. (Mitsuoka et al. 1974) Shah and Collins 1983	corrected spelling of name, validly published under the ICNP
    Bacteroides multiacidus Mitsuoka et al. 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "(spelled 'Mitsuokella multiacida' in ch)". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "(spelled 'Mitsuokella multiacida' in TRBA)".
  • 🎓 Name mentioned 10 times in PubMed until 2024-03-27.
  • 🧍 Nom. corrig.: IJSB 48:1073. Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075.

Parent taxon: Mitsuokella Shah and Collins 1983

Assigned by: Shah HN, Collins MD. Reclassification of Bacteroides multiacidus (Mitsuoka, Terada, Watanabe and Uchida) in a new genus Mitsuokella, as Mitsuokella multiacidus comb. nov. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. I Abt. Orig. C 1982; 3:491-494.

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Record number: 784271