Name: Natronobacterium pharaonis (Soliman and Trüper 1983) Tindall et al. 1984

Category: Species

Proposed as: comb. nov.

Basonym: Halobacterium pharaonis Soliman and Trüper 1983

Etymology: pha.ra.o’nis. L. gen. masc. n. pharaonis, of Pharaoh, title of the kings of ancient Egypt

Gender: neuter

Type strain: ATCC 35678; CIP 103997; DSM 2160; Gabara; IFO 14720; JCM 8858; NBRC 14720; NCIMB 2260; VKM B-1749

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB663432 Analyse FASTA

Effective publication: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.

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: Natronomonas pharaonis (Soliman and Trüper 1983) Kamekura et al. 1997

Risk group: 1

• Synonyms:

  • Name	Kind
    Halobacterium pharaonis Soliman and Trüper 1983	homotypic synonym, validly published under the ICNP
    Natronomonas pharaonis (Soliman and Trüper 1983) Kamekura et al. 1997	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Natronobacterium pharaonis 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 Natronobacterium.
  • 😷 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 115 times in PubMed until 2025-06-04.
  • 🧍 On the Validation List no. 15, Natronobacterium pharaonis is erroneously proposed as a new species. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938.

Parent taxon: Natronobacterium Tindall et al. 1984

Assigned by: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.

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Record number: 778596