Name: Leyella stercorea (Hayashi et al. 2007) Hitch et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Prevotella stercorea Hayashi et al. 2007

Etymology: ster.co’re.a. L. fem. adj. stercorea, pertaining to faeces

Pronunciation (Latin), gender: ley-EL-la ster-KO-re-a, feminine

Type strain: CB 35; DSM 18206; JCM 13469

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB244774 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 stercorea Hayashi et al. 2007

Risk group: 1

• Synonyms:

  • Name	Kind
    Prevotella stercorea Hayashi et al. 2007	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Leyella Hitch et al. 2023. 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. 🇩🇪
  • ❗ Leyella stercorea 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 Leyella.
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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 0 times in PubMed until 2026-06-11.
  • 🙅 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 genus.

Parent taxon: Leyella 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. 🇩🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.36206Copy to clipboardLink copied to clipboard

Record number: 36206