Name: Labrys monachus Vasilyeva and Semenov 1985

Category: Species

Proposed as: sp. nov.

Etymology: mo.na’chus. N.L. masc. adj. monachus, unique, single (sic); from Gr. masc. adj. monachos

Pronunciation (Latin), gender: … mo-NA-k^hus, feminine

Type strain: 42; ATCC 43932; DSM 5896; JCM 21795; VKM B-1479

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ535707 Analyse FASTA

Effective publication: Vasilyeva LV, Semenov AM. Labrys monahos, a new budding prosthecate bacterium with radial symmetry. (In Russian). Mikrobiologiya 1984; 53:85-92. 🇷🇺

IJSEM list: Anonymous. Validation list no. 18. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:375-376.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling

Correct name: Labrys monacha corrig. Vasilyeva and Semenov 1985

Risk group: 1

• Synonyms:

  • Name	Kind
    Labrys monacha corrig. Vasilyeva and Semenov 1985	corrected spelling of name, validly published under the ICNP
    Labrys monahos Vasilyeva and Semenov 1985	homotypic synonym, inaccurate spelling

• Notes:
  • 😷 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 7 times in PubMed until 2025-06-04.
  • 🧍 The original spelling, Labrys monahos (sic), has been corrected by the Associate Editor, IJSB 1985. Publication: Anonymous. Validation list no. 18. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:375-376.

Parent taxon: Labrys Vasilyeva and Semenov 1985

Assigned by: Vasilyeva LV, Semenov AM. Labrys monahos, a new budding prosthecate bacterium with radial symmetry. (In Russian). Mikrobiologiya 1984; 53:85-92. 🇷🇺

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Record number: 777231