Name: Niallia Gupta et al. 2020

Category: Genus

Proposed as: gen. nov.

Etymology: Ni.al’li.a. N.L. fem. n. Niallia, named for the British microbiologist Prof. Niall A. Logan, Glasgow Caledonian University, for his many contributions to the systematics and uses of the members of the genus Bacillus

Gender: feminine (stem: Nialli-)

Type species: Niallia circulans (Jordan 1890) Gupta et al. 2020

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol Microbiol 2020; 70:5753-5798.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 11 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4645.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Bacillus Cohn 1872 (Approved Lists 1980)

• Synonyms:

  • Name	Kind
    Bacillus Cohn 1872 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Weizmannia Gupta et al. 2020	heterotypic synonym, validly published under the ICNP
    "Maribacillus" Liu et al. 2019	heterotypic synonym, not validly published
    "Quasibacillus" Verma et al. 2017	heterotypic synonym, not validly published

• Notes:
  • 🧕 Gupta et al. (2020) assigned this genus to the family Bacillaceae Fischer 1895 (Approved Lists 1980). Publication: Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol Microbiol 2020; 70:5753-5798.
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Bacillus Cohn 1872 (Approved Lists 1980). Publication: Jordan EO. A report on certain species of bacteria observed in sewage. In: Sedgewick WT (eds), A Report of the Biological Work of the Lawrence Experiment Station, Including an Account of Methods Employed and Results Obtained in the Microscopical and Bacteriological Investigation of Sewage and Water. Report on Water Supply and Sewerage (Part II). The Report of the Massachusetts Board of Health, Massachusetts Board of Public Health, Boston, 1890, p. 821-844.
  • ❗ Niallia 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 phylogenomic assignment score of this taxon is 0.04797 (N = 5).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 4; ATCC: 4; KCTC: 3; JCM: 3; LMG: 2; NRRL: 2; NCIMB: 1; CCUG: 1; NBIMCC: 1; IFO: 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: 6
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Niallia alba" Thorat et al. 2022	not validly published	preferred name
    Niallia circulans (Jordan 1890) Gupta et al. 2020	validly published under the ICNP	synonym
    Niallia endozanthoxylica (Ma et al. 2017) Gupta et al. 2020	validly published under the ICNP	synonym
    "Niallia hominis" Hitch et al. 2025	not validly published	preferred name
    Niallia nealsonii (Venkateswaran et al. 2003) Gupta et al. 2020	validly published under the ICNP	synonym
    Niallia oryzisoli (Zhang et al. 2016) Gupta et al. 2020	validly published under the ICNP	synonym
    Niallia taxi (Tuo et al. 2020) Gupta et al. 2020	validly published under the ICNP	synonym
    Niallia tiangongensis Yuan et al. 2025	validly published under the ICNP	orphaned species

Parent taxon: Cytobacillaceae Li et al. 2024

Assigned by: Li Y, Zhang D, Bo D, Peng D, Sun M, Zheng J. A taxonomic note on the order Caryophanales: description of 12 novel families and emended description of 21 families. Int J Syst Evol Microbiol 2024; 74:6539.

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Record number: 14519