Name: Halosegnis Durán-Viseras et al. 2022

Category: Genus

Proposed as: gen. nov.

Etymology: Ha.lo.se’gnis. Gr. masc. n. hals (gen. halos), salt; L. masc./fem. adj. segnis, slow; N.L. masc. n. Halosegnis, a slow salt [growing] organism

Gender, pronunciation (Latin): masculine (stem: Halosegn-), ha-lo-SE-n͡gnis

Type species: Halosegnis rubeus Durán-Viseras et al. 2022

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Duran-Viseras A, Andrei AS, Vera-Gargallo B, Ghai R, Sanchez-Porro C, Ventosa A. Culturomics-based genomics sheds light on the ecology of the new haloarchaeal genus Halosegnis. Environ Microbiol 2021; 23:3418-3434. 🇪🇸

IJSEM list: Oren A, Garrity GM. Validation list no. 203. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5167.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Zhu et al. (2025) assigned this genus to the family Natronomonadaceae Zhu et al. 2025. Publication: Zhu LR, Mao YL, Hu Y, Sun YP, Hou J, Cui HL. Genome-based taxonomy of the family Haloarculaceae, proposal of Natronomonadaceae fam. nov., and description of four novel halophilic archaea from two saline lakes and a marine solar saltern. Syst Appl Microbiol 2025; 48:126592. 🇨🇳
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Arahal DR, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Halobacteria and Subcommittee on the Taxonomy of Halomonadaceae. Minutes of the joint open meeting, 28 June 2022, Alicante, Spain. Int J Syst Evol Microbiol 2022; 72:5584. 🇮🇱
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 4; CCM: 2; CECT: 2; IBRC: 1; CGMCC: 1; KACC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Halosegnis cibi" (Song et al. 2023) Gupta et al. 2025	not validly published	synonym
    Halosegnis longus Durán-Viseras et al. 2022	validly published under the ICNP	correct name
    Halosegnis marinus Hu et al. 2024	validly published under the ICNP	correct name
    Halosegnis rubeus Durán-Viseras et al. 2022	validly published under the ICNP	correct name

Parent taxon: Haloarculaceae Gupta et al. 2016

Assigned by: Duran-Viseras A, Andrei AS, Vera-Gargallo B, Ghai R, Sanchez-Porro C, Ventosa A. Culturomics-based genomics sheds light on the ecology of the new haloarchaeal genus Halosegnis. Environ Microbiol 2021; 23:3418-3434. 🇪🇸

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Record number: 10578