Name: Haloquadratum Burns et al. 2007

Category: Genus

Proposed as: gen. nov.

Etymology: Ha.lo.quad.ra’tum. Gr. masc. n. hals, haloes salt; L. neut. perf. part. quadratum, square; N.L. neut. n. Haloquadratum, salt square

Gender: neuter (stem: Haloquadrat-)

Type species: Haloquadratum walsbyi Burns et al. 2007

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Burns DG, Janssen PH, Itoh T, Kamekura M, Li Z, Jensen G, Rodriguez-Valera F, Bolhuis H, Dyall-Smith ML. Haloquadratum walsbyi gen. nov., sp. nov., the square haloarchaeon of Walsby, isolated from saltern crystallizers in Australia and Spain. Int J Syst Evol Microbiol 2007; 57:387-392.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 2 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:898-899.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Yilmaz et al. (2014) assigned this genus to the family Halobacteriaceae Gibbons 1974 (Approved Lists 1980). Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Haloguadratum"; "Haloquadra".
  • 🖹 Minimal standards for the description of new taxa in this group were published in 2024. Publication: Cui HL, Hou J, Amoozegar MA, Dyall-Smith ML, de la Haba RR, Minegishi H, Montalvo-Rodriguez R, Oren A, Sanchez-Porro C, Ventosa A, et al. Proposed minimal standards for description of new taxa of the class Halobacteria. Int J Syst Evol Microbiol 2024; 74:6290.
  • 🧔 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; Minutes of the meetings, 5 September 2004, Ljubljana, Slovenia. International Journal of Systematic and Evolutionary Microbiology 2005; 55:543-544.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 1; JCM: 1.
  • 🧍 In the etymology provided in the paper by Burns et al. 2007, the genitive halos is erroneously cited as haloes. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Haloquadratum walsbyi Burns et al. 2007	validly published under the ICNP	correct name

Parent taxon: Haloferacaceae Gupta et al. 2015

Assigned by: 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.

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Record number: 515765