Name: Veillonella atypica (Rogosa 1965) Mays et al. 1982

Category: Species

Proposed as: comb. nov.

Basonym: Veillonella parvula subsp. atypica Rogosa 1965 (Approved Lists 1980)

Etymology: a.ty’pi.ca. Gr. pref. a-, not (inseparable prefix); L. adj. typicus -a -um, typical; N.L. fem. adj. atypica, not typical

Pronunciation (Latin), gender: … a-TY-pi-ka, feminine

Type strain: ATCC 17744; DSM 20739; NCTC 11830

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X84007 Analyse FASTA

Valid publication: Mays TD, Holdeman LV, Moore WEC, Rogosa M, Johnson JL. Taxonomy of the genus Veillonella Prévot. Int. J. Syst. Bacteriol. 1982; 32:28-36. 🇺🇸

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Veillonella parvula subsp. atypica Rogosa 1965 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 😡 This taxon name is a homonym of "Candidatus Veillonella atypica" Drancourt et al. 2004.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, 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 88 times in PubMed until 2025-06-04.
  • 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself. This name is not taxonomically suspended any more in favour of Veillonella parvula (Veillon and Zuber 1898) Prévot 1933 (Approved Lists 1980). Publication: Prévot AR. Etude de systématique bactérienne. I. Lois générales. II. Cocci anaérobies. Annales des Sciences Naturelles Zoologie et Biologie Animale 1933; 15:23-260. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Veillonella Prévot 1933 (Approved Lists 1980)

Assigned by: Mays TD, Holdeman LV, Moore WEC, Rogosa M, Johnson JL. Taxonomy of the genus Veillonella Prévot. Int. J. Syst. Bacteriol. 1982; 32:28-36. 🇺🇸

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Record number: 782957