Species Halobacterium mediterranei

Name: Halobacterium mediterranei Rodriguez-Valera et al. 1983

Category, proposed as: species, sp. nov.

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-bak-TE-ri-um 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: Rodriguez-Valera F, Juez G, Kushner DJ. Halobacterium mediterranei spec, nov., a New Carbohydrate-Utilizing Extreme Halophile. Syst Appl Microbiol 1983; 4:369-381.

IJSEM list: Anonymous. Validation list no. 12. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:896-897.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Haloferax mediterranei (Rodriguez-Valera et al. 1983) Torreblanca et al. 1987	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Halobacterium mediterranei 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 Halobacterium.
  • 😷 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 7 times in PubMed until 2026-06-11.
  • 🧍 On Validation List 12, this name is erroneously cited as Halobacterium mediterranei Rodriguez-Valera (i.e. "et al." is omitted). Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷
  • 🧍 The species Halobacterium mediterranei (effective publication Rodriguez-Valera et al. 1983, type strain: strain R-4 = ATCC 33500 = CCM 3361) appears also on the Validation List no. 13 [1]. The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 12, published 17 October 1983) [2]. Publication: Anonymous. Validation list no. 13. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:91-92.

Parent taxon: Halobacterium Elazari-Volcani 1957 (Approved Lists 1980)

Assigned by: Rodriguez-Valera F, Juez G, Kushner DJ. Halobacterium mediterranei spec, nov., a New Carbohydrate-Utilizing Extreme Halophile. Syst Appl Microbiol 1983; 4:369-381.

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Record number: 776707