Name: Segatella oris (Holdeman et al. 1982) Hitch et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides oris Holdeman et al. 1982

Etymology: o’ris. L. neut. n. os, the mouth; L. gen. neut. n. oris, of the mouth, referring to a major natural habitat of the species

Gender: feminine

Type strain: ATCC 33573; CCUG 15405; CIP 104480; DSM 18711; JCM 12252; JCM 8540; NCTC 13071; VPI D1A-1A

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547700 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 oris (Holdeman et al. 1982) Shah and Collins 1990	homotypic synonym, validly published under the ICNP
    Bacteroides oris Holdeman et al. 1982	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.00908 (N = 6).
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Bacteroides oris Holdeman et al. 1982, which has a risk group (Belgium) 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 Bacteroides oris Holdeman et al. 1982, which has a risk group (Canada) 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 Bacteroides oris Holdeman et al. 1982, 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 Bacteroides oris Holdeman et al. 1982, which has a risk group (Germany) 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 oris (Holdeman et al. 1982) Shah and Collins 1990, which has a risk group (Belgium) 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 oris (Holdeman et al. 1982) Shah and Collins 1990, which has a risk group (Canada) 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 oris (Holdeman et al. 1982) 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. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Prevotella oris (Holdeman et al. 1982) Shah and Collins 1990, which has a risk group (Germany) 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: 36187