Name: Labrys monacha corrig. Vasilyeva and Semenov 1985

Category: Species

Proposed as: sp. nov.

Etymology: mo.na’cha. Gr. fem. adj. monachê; N.L. fem. adj. monacha, unique, single

Pronunciation, gender: mo-NA-k^ha, 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: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Labrys monachus Vasilyeva and Semenov 1985	other spelling of name, inaccurate spelling
    Labrys monahos Vasilyeva and Semenov 1985	other spelling of name, inaccurate spelling

• Emendations:
  • Islam et al. 2007 Islam MS, Kawasaki H, Nakagawa Y, Hattori T, Seki T. Labrys okinawensis sp. nov. and Labrys miyagiensis sp. nov., budding bacteria isolated from rhizosphere habitats in Japan, and emended descriptions of the genus Labrys and Labrys monachus. Int J Syst Evol Microbiol 2007; 57:552-557. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 3 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1173-1174.
    Notes:
    • 🧍 In the paper by Islam et al. 2007, the name Labrys monachus is cited as Labrys monachus Vasil'eva and Semenov 1985.

• Notes:
  • 🥇 Nomenclatural type of the genus Labrys Vasilyeva and Semenov 1985. Publication: Vasilyeva LV, Semenov AM. Labrys monahos, a new budding prosthecate bacterium with radial symmetry. (In Russian). Mikrobiologiya 1984; 53:85-92.
  • 🙂 Spelling correction conducted by LPSN on 2022-11-11.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.

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: 31596