Name: Tetragenococcus halophilus (Mees 1934) Collins et al. 1993

Category: Species

Proposed as: comb. nov.

Basonym: Pediococcus halophilus Mees 1934 (Approved Lists 1980)

Etymology: ha.lo’phi.lus. Gr. masc. n. hals (gen. halos), salt; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. masc. adj. halophilus, salt-loving

Pronunciation, gender: … ha-LO-p^hi-lus, masculine

Type strain: ATCC 33315; CCUG 32204; CIP 102263; DSM 20339; IAM 1676; JCM 5888; LMG 11490; NBRC 100498; NCDO 1635; NCFB 1635; NCIB 12011; NCIMB 12011

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ301843 Analyse FASTA

Effective publication: Collins MD, Williams AM, Wallbanks S. The phylogeny of Aerococcus and Pediococcus as determined by 16S rRNA sequence analysis: description of Tetragenococcus gen. nov. FEMS Microbiol Lett 1990; 58:255-262. 🇬🇧

IJSEM list: Anonymous. Validation list no. 44. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1993; 43:188-189.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Pediococcus halophilus Mees 1934 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Tetragenococcus Collins et al. 1993. Publication: Collins MD, Williams AM, Wallbanks S. The phylogeny of Aerococcus and Pediococcus as determined by 16S rRNA sequence analysis: description of Tetragenococcus gen. nov. FEMS Microbiol Lett 1990; 58:255-262. 🇬🇧
  • 😷 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — 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 169 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 genus.
  • 🧍 The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 44, published 7 January 1993) [2]. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷
  • 🧍 The species Tetragenococcus halophilus (effective publication: Collins et al. 1990, type strain: strain ATCC 33315 = DSM 20339 = NCDO 1635) appears also on the Validation List no. 49 [1]. On the Validation List no. 49, this name is cited as Tetragenococcus halophila (sic). The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 44, published 7 January 1993) [2]. Publication: Anonymous. Validation list no. 49. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1994; 44:370-371.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Tetragenococcus halophilus subsp. flandriensis Justé et al. 2012	validly published under the ICNP	correct name
    Tetragenococcus halophilus subsp. halophilus (Mees 1934) Justé et al. 2012	validly published under the ICNP	correct name

Parent taxon: Tetragenococcus Collins et al. 1993

Assigned by: Collins MD, Williams AM, Wallbanks S. The phylogeny of Aerococcus and Pediococcus as determined by 16S rRNA sequence analysis: description of Tetragenococcus gen. nov. FEMS Microbiol Lett 1990; 58:255-262. 🇬🇧

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Record number: 782430