Name: Caldifermentibacillus hisashii (Nishida et al. 2015) Yang et al. 2023

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus hisashii Nishida et al. 2015

Etymology: hi.sa’shi.i. N.L. gen. masc. n. hisashii, of hisashi, of Hisashi Miyamoto, a founder of thermophile-fermented compost production

Pronunciation, gender: hi-SA-s͡hi-i, masculine

Type strain: LMG 28201; N-11; NBRC 110226; NRBC 110226

Conduct genome-based taxonomy at

16S rRNA gene: AB618491 Analyse FASTA

Effective publication: Yang SH, Park MJ, Oh HM, Kwon KK. Description of Fervidibacillus gen. nov. with Two Species, Fervidibacillus albus sp. nov., and Fervidibacillus halotolerans sp. nov., Isolated from Tidal Flat Sediments and Emendation of Misclassificed Taxa in the Genus Caldibacillus. J Microbiol 2023; 61:175-187.

IJSEM list: Oren A, Göker M. Validation list no. 213. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2023; 73:5997.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Caldibacillus hisashii (Nishida et al. 2015) Gupta et al. 2020

• Synonyms:

  • Name	Kind
    Bacillus hisashii Nishida et al. 2015	homotypic synonym, validly published under the ICNP
    Caldibacillus hisashii (Nishida et al. 2015) Gupta et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Caldifermentibacillus Yang et al. 2023. Publication: Yang SH, Park MJ, Oh HM, Kwon KK. Description of Fervidibacillus gen. nov. with Two Species, Fervidibacillus albus sp. nov., and Fervidibacillus halotolerans sp. nov., Isolated from Tidal Flat Sediments and Emendation of Misclassificed Taxa in the Genus Caldibacillus. J Microbiol 2023; 61:175-187.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. The phrase "valid name" is misleading. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • ❗ Caldifermentibacillus hisashii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Caldifermentibacillus.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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: Caldifermentibacillus Yang et al. 2023

Assigned by: Yang SH, Park MJ, Oh HM, Kwon KK. Description of Fervidibacillus gen. nov. with Two Species, Fervidibacillus albus sp. nov., and Fervidibacillus halotolerans sp. nov., Isolated from Tidal Flat Sediments and Emendation of Misclassificed Taxa in the Genus Caldibacillus. J Microbiol 2023; 61:175-187.

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Record number: 36799