Name: Segatella oulorum (Shah et al. 1985) Hitch et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides oulorum Shah et al. 1985

Etymology: ou.lo’rum. Gr. neut. n. oûlon, the gums; N.L. gen. neut. pl. n. oulorum, of the gums [probably better: ulorum]

Gender: feminine

Type strain: ATCC 43324; CCUG 54769; CIP 104477; DSM 19148; JCM 14966; NCTC 11871; WPH 179

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547702 Analyse FASTA

Effective publication: Hitch TCA, Bisdorf K, Afrizal A, Riedel T, Overmann J, Strowig T, Clavel T. A taxonomic note on the genus Prevotella: Description of four novel genera and emended description of the genera Hallella and Xylanibacter. Syst Appl Microbiol 2022; 45:126354.

IJSEM list: Oren A, Göker M. Validation list no. 209. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2023; 73:5709.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Prevotella oulora (Shah et al. 1985) Shah and Collins 1990	homotypic synonym, inaccurate spelling
    Bacteroides oulorum Shah et al. 1985	homotypic synonym, validly published under the ICNP
    Prevotella oulorum corrig. (Shah et al. 1985) Shah and Collins 1990	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.01397 (N = 5).
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Bacteroides oulorum Shah et al. 1985, 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 Prevotella oulorum corrig. (Shah et al. 1985) Shah and Collins 1990, 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.
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-27.

Parent taxon: Segatella Hitch et al. 2023

Assigned by: Hitch TCA, Bisdorf K, Afrizal A, Riedel T, Overmann J, Strowig T, Clavel T. A taxonomic note on the genus Prevotella: Description of four novel genera and emended description of the genera Hallella and Xylanibacter. Syst Appl Microbiol 2022; 45:126354.

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Record number: 36188