Name: "Cohnibacillus" Candia-Herrera et al. 2026
Category, proposed as: genus, gen. nov.
Etymology: Coh.ni.ba.cil’lus. L. masc. n. bacillus, a small staff, a wand, a rod; N.L. masc. n. Cohnibacillus, a Bacillus named in honour of Ferdinand Cohn, the German microbiologist who first described the bacterial genus Bacillus in 1872
Gender, pronunciation (Latin): masculine (stem: Cohnibacill-), koh-ni-ba-KIL-lus
Type species: "Cohnibacillus lacus" (Singh et al. 2018) Candia-Herrera et al. 2026
Original publication:
Candia-Herrera D, Guerra M, Carrasco-Fernandez J, Campos-Quiroz C, Garcia-Gomez M, Igual JM, Carro L, Castro JF. Whole genome-based reclassification of the genus Metabacillus: Proposal for five novel genera, Chryseobacillus gen. nov., Cohnibacillus gen. nov., Salimetabacillus gen. nov., Pantoeobacillus gen. nov., and Lutimetabacillus gen. nov. and the description of one novel bacterial species, Chryseobacillus diguaensis sp. nov. isolated from soil in the Digua reservoir. Syst Appl Microbiol 2026; 49:126734. 
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Nomenclatural status: not validly published
Taxonomic status: synonym (and no standing)
Correct name: Metabacillus Patel and Gupta 2020
| Name | Kind |
|---|---|
| "Pantoeobacillus" Candia-Herrera et al. 2026 | heterotypic synonym, not validly published |
| "Lutimetabacillus" Candia-Herrera et al. 2026 | heterotypic synonym, not validly published |
| "Salimetabacillus" Candia-Herrera et al. 2026 | heterotypic synonym, not validly published |
| Metabacillus Patel and Gupta 2020 | heterotypic synonym, validly published under the ICNP |
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Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| "Cohnibacillus lacus" (Singh et al. 2018) Candia-Herrera et al. 2026 | not validly published | synonym |
Parent taxon: Bacillaceae Fischer 1895 (Approved Lists 1980)
Assigned by:
Candia-Herrera D, Guerra M, Carrasco-Fernandez J, Campos-Quiroz C, Garcia-Gomez M, Igual JM, Carro L, Castro JF. Whole genome-based reclassification of the genus Metabacillus: Proposal for five novel genera, Chryseobacillus gen. nov., Cohnibacillus gen. nov., Salimetabacillus gen. nov., Pantoeobacillus gen. nov., and Lutimetabacillus gen. nov. and the description of one novel bacterial species, Chryseobacillus diguaensis sp. nov. isolated from soil in the Digua reservoir. Syst Appl Microbiol 2026; 49:126734. 🇨🇱
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