Name: Natrialbaceae Gupta et al. 2015

Category: Family

Proposed as: fam. nov.

Etymology: Na.tri.al.ba’ce.ae. N.L. fem. n. Natrialba, the type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Natrialbaceae, the family the nomenclatural type of which is the genus Natrialba

Pronunciation (Latin), gender: na-tri-al-BA-ke-a͡e, feminine

Type genus: Natrialba Kamekura and Dyall-Smith 1996

Valid 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. 🇨🇦

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 3 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:1701-1702.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Gupta et al. (2015) assigned this family to the order Natrialbales Gupta et al. 2015. 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. 🇨🇦
  • 🧒 Cui et al. (2023) assigned the genus Natribaculum Liu et al. 2015 to this family. 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 the genus Salinarchaeum Cui et al. 2014 to this family. 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. 🇨🇦
  • 🚃 The type genus of this family has alternatively been placed in the family Halobacteriaceae Gibbons 1974 (Approved Lists 1980). Publication: Garrity GM, Holt JG. The Road Map to the Manual. 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. 119-166. 🇺🇸
  • 🖹 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, 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: Arahal DR, 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, 11 July 2017, Valencia, Spain. Int J Syst Evol Microbiol 2017; 67:4279-4283. 🇮🇱
  • 🧔 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, 23 May 2016, San Juan, Puerto Rico. Int J Syst Evol Microbiol 2016; 66:4291-4295. 🇮🇱
  • 🧔 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, 25 November 2025, Oaxaca, Mexico. Int J Syst Evol Microbiol 2026; 76:7065. 🇮🇱
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Sorokin et al. (2024), Dong et al. (2024), De la Haba et al. (2021). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 108; CGMCC: 70; DSM: 50; NBRC: 20; ATCC: 17; CECT: 15; CIP: 14; KCTC: 12; NCIMB: 10; UNIQEM: 8.

Subdivision:

Number of child taxa with a validly published and correct name: 24
Number of child taxa with a validly published name, including synonyms: 25
Total number of child taxa: 25

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Halobiforma Hezayen et al. 2002	validly published under the ICNP	synonym
    Halomontanus Mao et al. 2024	validly published under the ICNP	correct name
    Halopiger Gutiérrez et al. 2007	validly published under the ICNP	correct name
    Halosolutus Sun et al. 2022	validly published under the ICNP	correct name
    Halostagnicola Castillo et al. 2006	validly published under the ICNP	correct name
    Haloterrigena Ventosa et al. 1999	validly published under the ICNP	correct name
    Halovalidus Dong et al. 2025	validly published under the ICNP	correct name
    Halovivax Castillo et al. 2006	validly published under the ICNP	correct name
    Natrarchaeobaculum Sorokin et al. 2020	validly published under the ICNP	correct name
    Natrarchaeobius Sorokin et al. 2020	validly published under the ICNP	correct name
    Natrialba Kamekura and Dyall-Smith 1996	validly published under the ICNP	correct name
    Natrinema McGenity et al. 1998	validly published under the ICNP	correct name
    Natronobacterium Tindall et al. 1984	validly published under the ICNP	correct name
    Natronobeatus Li et al. 2023	validly published under the ICNP	correct name
    Natronobiforma Sorokin et al. 2019	validly published under the ICNP	correct name
    Natronococcus Tindall et al. 1984	validly published under the ICNP	correct name
    Natronoglomus Sorokin et al. 2025	validly published under the ICNP	correct name
    Natronolimnobius Itoh et al. 2005	validly published under the ICNP	correct name
    Natronolimnohabitans Sorokin et al. 2020	validly published under the ICNP	correct name
    Natrononativus Li et al. 2023	validly published under the ICNP	correct name
    Natronorubrum Xu et al. 1999	validly published under the ICNP	correct name
    Natronosalvus Tan et al. 2023	validly published under the ICNP	correct name
    Salinadaptatus Xue et al. 2021	validly published under the ICNP	correct name
    Salinilacihabitans Li et al. 2023	validly published under the ICNP	correct name
    Saliphagus Yin et al. 2017	validly published under the ICNP	correct name

Parent taxon: Halobacteriales Grant and Larsen 1989

Assigned by: Sorokin DY, Yakimov M, Messina E, Merkel AY, Koenen M, Bale NJ, Sinninghe Damste JS. Natranaeroarchaeum sulfidigenes gen. nov., sp. nov., carbohydrate-utilizing sulfur-respiring haloarchaeon from hypersaline soda lakes, a member of a new family Natronoarchaeaceae fam. nov. in the order Halobacteriales. Syst Appl Microbiol 2022; 45:126356. 🇷🇺

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Record number: 1999