Name: Mitsuokella dentalis Haapasalo et al. 1986

Category: Species

Proposed as: sp. nov.

Etymology: den.ta’lis. L. masc. n. dens (gen. dentis), a tooth; L. masc./fem. adj. suff. -alis, suffix denoting pertaining to; L. gen. neut. n. dentalis, pertaining to teeth

Gender: feminine

Type strain: ATCC 49559; CCUG 48288; DSM 3688; ES2772; JCM 13448; NCTC 12043

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547678 Analyse FASTA

Valid publication: Haapasalo M, Ranta H, Shah H, Ranta K, Lounatmaa K, Kroppenstedt RM. Mitsuokella dentalis sp. nov. from dental root canals. Int. J. Syst. Bacteriol. 1986; 36:566-568.

Nomenclatural status: validly published under the ICNP

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

Correct name: Prevotella dentalis (Haapasalo et al. 1986) Willems and Collins 1995

Risk group: 2

• Synonyms:

  • Name	Kind
    Prevotella dentalis (Haapasalo et al. 1986) Willems and Collins 1995	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Mitsuokella dentalis 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 Mitsuokella.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 7 times 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 species itself.

Parent taxon: Mitsuokella Shah and Collins 1983

Assigned by: Haapasalo M, Ranta H, Shah H, Ranta K, Lounatmaa K, Kroppenstedt RM. Mitsuokella dentalis sp. nov. from dental root canals. Int. J. Syst. Bacteriol. 1986; 36:566-568.

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Record number: 778272