Name: Haloferax larsenii Xu et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: lar.se’ni.i. N.L. gen. masc. n. larsenii, of Larsen, named in honour of Professor Helge Larsen, one of the pioneers of halophile research

Pronunciation (Latin), gender: ha-LO-fe-rax lar-SE-ni-i, neuter

Type strain: CGMCC 1.5347; DSM 27190; JCM 13917; ZJ206

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB663377 Analyse FASTA

Valid publication: Xu XW, Wu YH, Wang CS, Oren A, Zhou PJ, Wu M. Haloferax larsenii sp. nov., an extremely halophilic archaeon from a solar saltern. Int J Syst Evol Microbiol 2007; 57:717-720. 🇨🇳

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 4 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1374-1375.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 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 11 times in PubMed until 2026-06-11.

Parent taxon: Haloferax Torreblanca et al. 1986

Assigned by: Xu XW, Wu YH, Wang CS, Oren A, Zhou PJ, Wu M. Haloferax larsenii sp. nov., an extremely halophilic archaeon from a solar saltern. Int J Syst Evol Microbiol 2007; 57:717-720. 🇨🇳

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Record number: 776739