Name: Haloferax mediterranei (Rodriguez-Valera et al. 1983) Torreblanca et al. 1987

Category: Species

Proposed as: comb. nov.

Basonym: Halobacterium mediterranei Rodriguez-Valera et al. 1983

Etymology: me.di.ter.ra’ne.i. N.L. gen. neut. n. mediterranei, of the Mediterranean Sea (from L. Mediterraneum mare)

Pronunciation (Latin), gender: ha-LO-fe-rax me-di-ter-RA-ne-i, neuter

Type strain: ATCC 33500; CCM 3361; DSM 1411; IFO 14739; JCM 8866; NBRC 14739; Strain R-4; VKM B-1748

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB663379 Analyse FASTA

Effective publication: Torreblanca M, Rodriguez-Valera F, Juez G, Ventosa A, Kamemura M, Kates M. Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov. and Haloferax gen. nov. Syst. Appl. Microbiol. 1986; 8:89-99.

IJSEM list: Anonymous. Validation list no. 23. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1987; 37:179-180.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Halobacterium mediterranei Rodriguez-Valera et al. 1983	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12151 (N = 22).
  • 😷 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. — 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 263 times in PubMed until 2026-06-11.
  • 🧍 In the reference citation of Haloferax mediterranei (see: Validation List no. 23), the author's name Kamekura is erroneously cited as Kamemura. Publication: Torreblanca M, Rodriguez-Valera F, Juez G, Ventosa A, Kamekura M, Kates M. Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov. and Haloferax gen. nov. Syst. Appl. Microbiol. 1986; 8:89-99.
  • 🧍 See also: Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷

Parent taxon: Haloferax Torreblanca et al. 1986

Assigned by: Torreblanca M, Rodriguez-Valera F, Juez G, Ventosa A, Kamemura M, Kates M. Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov. and Haloferax gen. nov. Syst. Appl. Microbiol. 1986; 8:89-99.

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Record number: 776741