Name: Halobacteria Grant et al. 2002

Category: Class

Proposed as: class. nov.

Etymology: Ha.lo.bac.te’ri.a. N.L. neut. n. Halobacterium, type genus of the type order of the class; N.L. neut. pl. n. Halobacteria, the class of Halobacteriales (nominative plural of Halobacterium)

Gender: neuter

Type order: Halobacteriales Grant and Larsen 1989

Effective publication: Grant WD, Kamekura M, McGenity TJ, Ventosa A. Class III. Halobacteria class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 294-334.

IJSEM list: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Halomebacteria Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name

• Emendations:
  • Gupta et al. 2015 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.
    Notes:
    • Emendation accompanied by the inclusion of 2 orders in the class.
    • This emendation was not found in the expected IJSEM notification list.
  • Rinke et al. 2021 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.
    Notes:
    • As of 2023-02-16 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • Adam et al. (2017) assigned this class to the superclass "Methanotecta" Adam et al. 2017. Publication: Adam PS, Borrel G, Brochier-Armanet C, Gribaldo S. The growing tree of Archaea: new perspectives on their diversity, evolution and ecology. ISME J 2017; 11:2407-2425.
  • Luketa (2012) assigned this class to the kingdom "Euryarchaeida" Luketa 2012. Publication: Luketa S. New views on the megaclassification of life. Protistology 2012; 7:218-237.
  • This taxon name is occasionally misprinted in some sources as: "Halobateria"; "Hclobacteria".
  • 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: Arahal DR, Oren A, Ventosa A. Corrigendum: 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, 11 July 2017, Valencia, Spain. Int J Syst Evol Microbiol 2021; 71:4884.
  • 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. Minutes of the closed meeting, 12 May 2022, via Zoom. Int J Syst Evol Microbiol 2022; 72:5499.
  • The phylogenomic assignment score of this taxon is 0.05209 (N = 1).
  • The BRCs most frequently used for deposits in this group are: JCM: 351; CGMCC: 194; DSM: 140; ATCC: 70; CECT: 69; NBRC: 50; CIP: 46; KCTC: 42; VKM: 39; NCIMB: 38.
  • This name was mentioned in a Request for an Opinion. Publication: Oren A, Parte A, Garrity GM. Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion. Int J Syst Evol Microbiol 2016; 66:4296-4298.

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: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Halobacteriales Grant and Larsen 1989	validly published under the ICNP	correct name
    Haloferacales Gupta et al. 2015	validly published under the ICNP	correct name
    Natrialbales Gupta et al. 2015	validly published under the ICNP	correct name

Parent taxon: "Euryarchaeota" Garrity and Holt 2001

Assigned by: Garrity GM, Holt JG. Phylum AII. Euryarchaeota phy. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 211-355.

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Record number: 44