Name: Streptococcus salivarius subsp. thermophilus (Orla-Jensen 1919) Farrow and Collins 1984

Category: Subspecies

Proposed as: comb. nov.

Basonym: Streptococcus thermophilus Orla-Jensen 1919 (Approved Lists 1980)

Etymology: ther.mo’phi.lus. Gr. fem. adj. thermê, hot; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. masc. adj. thermophilus, heat-loving

Gender: masculine

Type strain: ATCC 19258; CCUG 21957; CIP 102303; DSM 20617; LMG 6896; NBIMCC 3916; NCDO 573; NCFB 573; NCIB 8510; NCIMB 8510

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X68418 Analyse FASTA

Effective publication: Farrow JA, Collins MD. DNA base composition, DNA-DNA homology and long-chain fatty acid studies on streptococcus thermophilus and Streptococcus salivarius. J Gen Microbiol 1984; 130:357-362.

IJSEM list: Anonymous. Validation list no. 15. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:355-357.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Streptococcus thermophilus Orla-Jensen 1919 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Streptococcus thermophilus Orla-Jensen 1919 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Streptococcus salivarius subsp. thermophilus is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Streptococcus salivarius 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 2023-10-29. The full classification is: risk group = 1.

Parent taxon: Streptococcus salivarius Andrewes and Horder 1906 (Approved Lists 1980)

Assigned by: Farrow JA, Collins MD. DNA base composition, DNA-DNA homology and long-chain fatty acid studies on streptococcus thermophilus and Streptococcus salivarius. J Gen Microbiol 1984; 130:357-362.

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Record number: 781384