Name: Halalkalicoccus Xue et al. 2005

Category: Genus

Proposed as: gen. nov.

Etymology: Hal.al.ka.li.coc.cus. Gr. masc. n. hals (gen. halos), salt; N.L. neut. n. alkali, the ashes of saltwort (al-qaliy) (indeclinable); N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Halalkalicoccus, coccus existing in salted and alkaline environment

Gender: masculine (stem: Halalkalicocc-)

Type species: Halalkalicoccus tibetensis Xue et al. 2005

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Xue Y, Fan H, Ventosa A, Grant WD, Jones BE, Cowan DA, Ma Y. Halalkalicoccus tibetensis gen. nov., sp. nov., representing a novel genus of haloalkaliphilic archaea. Int J Syst Evol Microbiol 2005; 55:2501-2505.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 6 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:319-321.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family "Halalkalicoccaceae" Mao et al. 2025. Publication: Mao YL, Dong XY, Tao CQ, Wu ZP, Shi XW, Hou J, Cui HL. Natronorarus salvus gen. nov., sp. nov., Halalkalicoccus ordinarius sp. nov., and Halalkalicoccus salilacus sp. nov., halophilic archaea from a soda lake and two saline lakes, and proposal to classify the genera Halalkalicoccus and Natronorarus into Halalkalicoccaceae fam. nov. in the order Halobacteriales within the class Halobacteria. Syst Appl Microbiol 2024; 48:126577.
  • 🥇 Nomenclatural type of the family "Halalkalicoccaceae" Rinke et al. 2021. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
  • 🧕 Cui et al. (2023) assigned this genus to the family Halococcaceae Gupta et al. 2016. Publication: Cui C, Han D, Hou J, Cui HL. Genome-based classification of the class Halobacteria and description of Haladaptataceae fam. nov. and Halorubellaceae fam. nov. Int J Syst Evol Microbiol 2023; 73:5984.
  • 🧕 Gupta et al. (2015) assigned this genus to the family Halobacteriaceae Gibbons 1974 (Approved Lists 1980). Publication: Gupta RS, Naushad S, Baker S. Phylogenomic analyses and molecular signatures for the class Halobacteria and its two major clades: a proposal for division of the class Halobacteria into an emended order Halobacteriales and two new orders, Haloferacales ord. nov. and Natrialbales ord. nov., containing the novel families Haloferacaceae fam. nov. and Natrialbaceae fam. nov. Int J Syst Evol Microbiol 2015; 65:1050-1069.
  • 🧕 Gupta et al. (2016) assigned this genus to the family Halobacteriaceae Gibbons 1974 (Approved Lists 1980). Publication: Gupta RS, Naushad S, Fabros R, Adeolu M. Erratum to: A phylogenomic reappraisal of family-level divisions within the class Halobacteria: proposal to divide the order Halobacteriales into the families Halobacteriaceae, Haloarculaceae fam. nov., and Halococcaceae fam. nov., and the order Haloferacales into the families, Haloferacaceae and Halorubraceae fam nov. Antonie Van Leeuwenhoek 2016; 109:1521-1523.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Halakalicoccus".
  • 🧔 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.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, 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, 26 June 2019, Cluj-Napoca, Romania. Int J Syst Evol Microbiol 2019; 69:3657-3661.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Oren A, Ventosa A. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Halobacteriaceae and Subcommittee on the taxonomy of Halomonadaceae: minutes of the joint open meeting, 31 July 2014, Montreal, Canada. Int J Syst Evol Microbiol 2014; 64:3915-3918.
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 5; CGMCC: 4; DSM: 2; KCTC: 1; CECT: 1; MCCC: 1; NBRC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Halalkalicoccus jeotgali Roh et al. 2007	validly published under the ICNP	correct name
    "Halalkalicoccus ordinarius" Mao et al. 2025	not validly published	preferred name (not correct name)
    Halalkalicoccus paucihalophilus Liu et al. 2013	validly published under the ICNP	correct name
    "Halalkalicoccus salilacus" Mao et al. 2025	not validly published	preferred name (not correct name)
    Halalkalicoccus subterraneus Chen et al. 2020	validly published under the ICNP	correct name
    Halalkalicoccus tibetensis Xue et al. 2005	validly published under the ICNP	correct name

Parent taxon: "Halalkalicoccaceae" Mao et al. 2025

Assigned by: Mao YL, Dong XY, Tao CQ, Wu ZP, Shi XW, Hou J, Cui HL. Natronorarus salvus gen. nov., sp. nov., Halalkalicoccus ordinarius sp. nov., and Halalkalicoccus salilacus sp. nov., halophilic archaea from a soda lake and two saline lakes, and proposal to classify the genera Halalkalicoccus and Natronorarus into Halalkalicoccaceae fam. nov. in the order Halobacteriales within the class Halobacteria. Syst Appl Microbiol 2024; 48:126577.

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Record number: 517241