Name: Streptococcus constellatus subsp. constellatus (Prévot 1924) Whiley et al. 1999

Category: Subspecies

Proposed as: subsp. nov.

Basonym: "Diplococcus constellatus" Prévot 1924

Etymology: con.stel.la’tus. L. masc. adj. constellatus, starred, studded with stars

Pronunciation, gender: kon-stel-LA-tus, masculine

Type strain: ATCC 27823; CCUG 24889; CIP 103247; DSM 20575; JCM 12994; LMG 14507; NCDO 2226; NCFB 2226; NCIMB 702226; NCTC 11325

See detailed strain information at

Valid publication: Whiley RA, Hall LM, Hardie JM, Beighton D. A study of small-colony, beta-haemolytic, Lancefield group C streptococci within the anginosus group: description of Streptococcus constellatus subsp. pharyngis subsp. nov., associated with the human throat and pharyngitis. Int J Syst Bacteriol 1999; 49:1443-1449. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 4 of the IJSB. Int J Syst Bacteriol 2000; 50:5-7.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🙋 This subspecies could be automatically created (rule 40d) by the valid publication of Streptococcus constellatus subsp. pharyngis Whiley et al. 1999 but an explicit description was also provided. Publication: Whiley RA, Hall LM, Hardie JM, Beighton D. A study of small-colony, beta-haemolytic, Lancefield group C streptococci within the anginosus group: description of Streptococcus constellatus subsp. pharyngis subsp. nov., associated with the human throat and pharyngitis. Int J Syst Bacteriol 1999; 49:1443-1449. 🇬🇧
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 The original authorship, (Prévot 1924) Holdeman and Moore 1974, was corrected according to the new Rule 40d. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780. 🇺🇸

Parent taxon: Streptococcus constellatus (Prévot 1924) Holdeman and Moore 1974 (Approved Lists 1980)

Assigned by: Whiley RA, Hall LM, Hardie JM, Beighton D. A study of small-colony, beta-haemolytic, Lancefield group C streptococci within the anginosus group: description of Streptococcus constellatus subsp. pharyngis subsp. nov., associated with the human throat and pharyngitis. Int J Syst Bacteriol 1999; 49:1443-1449. 🇬🇧

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Record number: 781308