Name: Halobacterium mediterranei Rodriguez-Valera et al. 1983

Category: Species

Proposed as: sp. nov.

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

Gender: 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 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 7 times in PubMed until 2024-03-28.
  • 🧍 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