Family Halococcaceae

Name: Halococcaceae Gupta et al. 2016

Category, proposed as: family, fam. nov.

Etymology: Ha.lo.coc.ca’ce.ae. N.L. masc. n. Halococcus, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Halococcaceae, the family whose nomenclatural type is the genus Halococcus

Pronunciation (Latin), gender: ha-lo-kok-KA-ke-a͡e, feminine

Type genus: Halococcus Schoop 1935 (Approved Lists 1980)

Effective publication: Gupta RS, Naushad S, Fabros R, Adeolu M. 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; 109:565-587. 🇨🇦

IJSEM list: Oren A, Garrity GM. Validation list no. 170. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:2463-2466.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧒 Cui et al. (2023) assigned the genus Halalkalicoccus Xue et al. 2005 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. 🇨🇳
  • 🚃 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 Halobacteriaceae Gibbons 1974 (Approved Lists 1980). Publication: Grant WD. Genus IV. Halococcus Schoop 1935a, 817AL. 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. 311-314. 🇺🇸
  • 🖹 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: 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. 🇮🇱
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 10; DSM: 5; ATCC: 5; VKM: 4; CGMCC: 2; NCIMB: 2; NBRC: 2; H: 1; BCC: 1; CECT: 1.

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
    Halococcus Schoop 1935 (Approved Lists 1980)	validly published under the ICNP	correct name

Parent taxon: Halobacteriales Grant and Larsen 1989

Assigned by: Gupta RS, Naushad S, Fabros R, Adeolu M. 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; 109:565-587. 🇨🇦

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Record number: 2034