Name: Hoylesella marshii (Downes et al. 2005) Hitch et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Prevotella marshii Downes et al. 2005

Etymology: mar’shi.i. N.L. gen. masc. n. marshii, of Marsh, named in honour of British microbiologist Philip Marsh, for his contributions to oral microbiology

Pronunciation (Latin), gender: … MAR-s͡hi-i, feminine

Type strain: CCUG 50419; DSM 16973; E9.34; JCM 13450

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547691 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: synonym (and not recommended for medical use)

Correct name: Prevotella marshii Downes et al. 2005

• Synonyms:

  • Name	Kind
    Prevotella marshii Downes et al. 2005	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Hoylesella marshii 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 Hoylesella.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Prevotella marshii Downes et al. 2005, 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 1 time 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: Hoylesella 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: 36198