Species Veillonella parvula

Name: Veillonella parvula (Veillon and Zuber 1898) Prévot 1933 (Approved Lists 1980)

Category, proposed as: species, comb. nov.

Basonym: "Staphylococcus parvulus" Veillon and Zuber 1898

Etymology: par’vu.la. L. fem. adj. parvula, very small

Pronunciation (Latin), gender: we͡il-lo-NEL-la PAR-wu-la, feminine

Type strain: ATCC 10790; CCUG 5123; DSM 2008; JCM 12972; NCTC 11810

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB538437 Analyse FASTA

Effective 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.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    "Staphylococcus parvulus" Veillon and Zuber 1898	homotypic synonym, not validly published, basonym of name in Approved Lists
    Veillonella alcalescens Prévot 1933 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Mays et al. 1982 Mays TD, Holdeman LV, Moore WEC, Rogosa M, Johnson JL. Taxonomy of the genus Veillonella Prévot. Int. J. Syst. Bacteriol. 1982; 32:28-36. 🇺🇸
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • 🥇 Nomenclatural type of the genus Veillonella 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.
  • ⏰ According to Heng et al. (2025), this species is not an earlier heterotypic synonym of Veillonella alcalescens Prévot 1933 (Approved Lists 1980). Publication: Heng YC, Lee JKY, Silvaraju S, Kittelmann S. Description of Megasphaera jansseni sp. nov., a novel short- and medium-chain fatty acid-producing species isolated from faeces of a wild boar (Sus scrofa), and a taxonomic note on the family Veillonellaceae. Int J Syst Evol Microbiol 2025; 75:6937. 🇸🇬
  • ⏰ According to Mays et al. (1982), this species is an earlier heterotypic synonym of Veillonella alcalescens Prévot 1933 (Approved Lists 1980). 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. 🇺🇸
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 = 2. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — 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 518 times in PubMed until 2026-06-11.
  • 🙆 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.
  • 🧍 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. 🇬🇧
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Gronow S, Welnitz S, Lapidus A, Nolan M, Ivanova N, Glavina Del Rio T, Copeland A, Chen F, Tice H, Pitluck S, et al. Complete genome sequence of Veillonella parvula type strain (Te3). Stand Genomic Sci 2010; 2:57-65. 🇺🇸

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Veillonella parvula subsp. atypica Rogosa 1965 (Approved Lists 1980)	validly published under the ICNP	synonym
    Veillonella parvula subsp. parvula (Veillon and Zuber 1898) Rogosa 1965 (Approved Lists 1980)	validly published under the ICNP	synonym of its species
    Veillonella parvula subsp. rodentium Rogosa 1965 (Approved Lists 1980)	validly published under the ICNP	synonym

Parent taxon: Veillonella Prévot 1933 (Approved Lists 1980)

Assigned by: Prévot AR. Etude de systématique bactérienne. I. Lois générales. II. Cocci anaérobies. Annales des Sciences Naturelles Zoologie et Biologie Animale 1933; 15:23-260.

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Record number: 782962