Name: Billgrantia de la Haba et al. 2024

Category: Genus

Proposed as: gen. nov.

Etymology: Bill.gran’ti.a. N.L. fem. n. Billgrantia, named after the microbiologist William [Bill] D. Grant for his great contribution to the study of halophilic microorganisms

Gender, pronunciation (Latin): feminine (stem: Billgranti-), bill-GRAN-ti-a

Type species: Billgrantia desiderata (Berendes et al. 1997) de la Haba et al. 2024

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: de la Haba RR, Arahal DR, Sanchez-Porro C, Chuvochina M, Wittouck S, Hugenholtz P, Ventosa A. A long-awaited taxogenomic investigation of the family Halomonadaceae. Front Microbiol 2023; 14:1293707. 🇪🇸

IJSEM list: Oren A, Göker M. Validation list no. 216. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6229.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Halomonas Vreeland et al. 1980

• Synonyms:

  • Name	Kind
    Volcaniella Quesada et al. 1990	heterotypic synonym, validly published under the ICNP
    Bisbaumannia de la Haba et al. 2024	heterotypic synonym, validly published under the ICNP
    Franzmannia de la Haba et al. 2024	heterotypic synonym, validly published under the ICNP
    Halomonas Vreeland et al. 1980	heterotypic synonym, validly published under the ICNP
    Deleya Baumann et al. 1983	heterotypic synonym, validly published under the ICNP
    Vreelandella de la Haba et al. 2024	heterotypic synonym, validly published under the ICNP
    Litchfieldella de la Haba et al. 2024	heterotypic synonym, validly published under the ICNP
    Onishia de la Haba et al. 2024	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Halomonas Vreeland et al. 1980. Publication: Berendes F, Gottschalk G, Heine-Dobbernack E, Moore ERB, Tindall BJ. Halomonas desiderata sp. nov., a new alkaliphilic, halotolerant and denitrifying bacterium isolated from a municipal sewage works. Syst. Appl. Microbiol. 1996; 19:158-167. 🇩🇪
  • 🧔 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 Li et al. (2020), Wang and Shao (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.
  • ❗ Billgrantia is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 13; MCCC: 7; DSM: 5; CGMCC: 3; ATCC: 2; VKM: 2; LMG: 2; CIP: 2; CAIM: 1; KACC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 18
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Billgrantia aerodenitrificans de la Haba et al. 2024	validly published under the ICNP	orphaned species
    Billgrantia antri (So et al. 2022) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia azerbaijanica (Kazemi et al. 2021) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia bachuensis (Xiao et al. 2021) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia campisalis (Mormile et al. 2000) de la Haba et al. 2024	validly published under the ICNP	synonym
    "Billgrantia chromatireducens" (Shapovalova et al. 2009) De la Haba et al. 2023	not validly published	synonym
    Billgrantia desiderata (Berendes et al. 1997) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia diversa (Wang et al. 2021) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia endophytica (Chen et al. 2018) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia ethanolica de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia gudaonensis (Wang et al. 2007) de la Haba et al. 2024	validly published under the ICNP	synonym
    "Billgrantia hypersalina" Moran-Olvera et al. 2025	not validly published	preferred name
    Billgrantia kenyensis (Boltyanskaya et al. 2008) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia lactosivorans (Ming et al. 2020) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia montanilacus (Lu et al. 2020) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia pellis (Li et al. 2020) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia saliphila (Gan et al. 2018) de la Haba et al. 2024	validly published under the ICNP	synonym
    Billgrantia sulfidoxydans de la Haba et al. 2024	validly published under the ICNP	orphaned species
    Billgrantia tianxiuensis de la Haba et al. 2024	validly published under the ICNP	orphaned species
    Billgrantia zhangzhouensis de la Haba et al. 2024	validly published under the ICNP	synonym

Parent taxon: Halomonadaceae Franzmann et al. 1989

Assigned by: de la Haba RR, Arahal DR, Sanchez-Porro C, Chuvochina M, Wittouck S, Hugenholtz P, Ventosa A. A long-awaited taxogenomic investigation of the family Halomonadaceae. Front Microbiol 2023; 14:1293707. 🇪🇸

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Record number: 46503