Name: Halalkalicoccaceae Mao et al. 2025

Category: Family

Proposed as: fam. nov.

Etymology: Hal.al.ka.li.coc.ca’ce.ae. N.L. masc. n. Halalkalicoccus, the type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Halalkalicoccaceae, the family the nomenclatural type of which is the genus Halalkalicoccus

Pronunciation (Latin), gender: hal-al-ka-li-kok-KA-ke-a͡e, feminine

Type genus: Halalkalicoccus Xue et al. 2005

Effective 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 2025; 48:126577. 🇨🇳

IJSEM list: Oren A, Göker M. Validation list no. 223. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6699.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Halalkalicoccaceae" Rinke et al. 2021	homotypic synonym, not validly published

• Notes:
  • 🚃 The type genus of this family has alternatively been placed in 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. 🇨🇦
  • 🚃 The type genus of this family has alternatively been placed in 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. 🇨🇦
  • 🚃 The type genus of this family has alternatively been placed in 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. 🇨🇳
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Halalklicoccaceae".
  • 🧔 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. 🇮🇱
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 6; CGMCC: 5; DSM: 2; B: 1; CECT: 1; MCCC: 1; KCTC: 1; NBRC: 1; CCTCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Halalkalicoccus Xue et al. 2005	validly published under the ICNP	correct name
    Natronorarus Mao et al. 2025	validly published under the ICNP	correct name

Parent taxon: Halobacteriales Grant and Larsen 1989

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 2025; 48:126577. 🇨🇳

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Record number: 56335