Species Bacillus insolitus

Name: Bacillus insolitus Larkin and Stokes 1967 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: in.so’li.tus. L. masc. adj. insolitus, unaccustomed, unusual, unfamiliar, strange

Pronunciation, gender: in-SO-li-tus, masculine

Type strain: ATCC 23299; DSM 5; W16B

Conduct genome-based taxonomy at

16S rRNA gene: X60642 Analyse FASTA

Effective publication: Larkin JM, Stokes JL. Taxonomy of psychrophilic strains of Bacillus. J Bacteriol 1967; 94:889-895.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Psychrobacillus insolitus (Larkin and Stokes 1967) Krishnamurthi et al. 2011

Risk group: 1

Synonyms:

Name	Kind
Psychrobacillus insolitus (Larkin and Stokes 1967) Krishnamurthi et al. 2011	homotypic synonym, validly published under the ICNP

Notes:
- ❗ Bacillus insolitus 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 Bacillus.
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 11 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: Bacillus Cohn 1872 (Approved Lists 1980)

Assigned by: Larkin JM, Stokes JL. Taxonomy of psychrophilic strains of Bacillus. J Bacteriol 1967; 94:889-895.

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Record number: 773738

This LPSN page was printed on 2026-01-18 20:32:25