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Species Streptococcus pleomorphus

Name: Streptococcus pleomorphus Barnes et al. 1979 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: ple.o.mor’phus. N.L. masc. adj. pleomorphus, pleomorphic; from Gr. masc. adj. pleôs, full; from Gr. fem. n. morphê, form, shape

Pronunciation (Latin), gender: strep-to-KOK-kus ple-o-MOR-phus, masculine

Type strain: ATCC 29734; CCUG 11733; DSM 20574; EBF 61/60B; JCM 10414; NCTC 11087

16S rRNA gene: M23730 Analysetree FASTA download

Effective publication: Barnes EM, Impey CS, Stevens BJ, Peel JL. Streptococcus pleomorphus sp.nov.: an anaerobic streptococcus isolated mainly from the caeca of birds. J Gen Microbiol 1977; 102:45-53.

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: synonym (and not recommended for medical use)

Correct name: Faecalicoccus pleomorphus (Barnes et al. 1979) De Maesschalck et al. 2014

Risk group: 1

  • Notes:
    • ❗ Streptococcus pleomorphus 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 Streptococcus.
    • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 3 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: Streptococcus Rosenbach 1884 (Approved Lists 1980)

Assigned by: Barnes EM, Impey CS, Stevens BJ, Peel JL. Streptococcus pleomorphus sp.nov.: an anaerobic streptococcus isolated mainly from the caeca of birds. J Gen Microbiol 1977; 102:45-53.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.781375Link copied to clipboard

Record number: 781375