Name: Cytobacillus firmus (Bredemann and Werner 1933) Patel and Gupta 2020

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus firmus Bredemann and Werner 1933 (Approved Lists 1980)

Etymology: fir’mus. L. masc. adj. firmus, strong, firm

Pronunciation (Latin), gender: … FIR-mus, masculine

Type strain: ATCC 14575; BCRC 11730; CCM 2213; CCRC 11730; CCUG 7418; CIP 52.70; DSM 12; HAMBI 1886; IAM 12464; IFO 15306; JCM 2512; LMG 7125; NBRC 15306; NCAIM B.01087; NCCB 48015; NCIB 9366; NCIMB 9366; NCTC 10335; NRRL B-14307; NRRL NRS-613; VKM B-498

Conduct genome-based taxonomy at

16S rRNA gene: D16268 Analyse FASTA

Valid publication: Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438. 🇨🇦

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Bacillus firmus Bredemann and Werner 1933 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Cytobacillus Patel and Gupta 2020. Publication: Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438. 🇨🇦
  • 🎓 Name mentioned 13 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Cytobacillus Patel and Gupta 2020

Assigned by: Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438. 🇨🇦

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Record number: 5935