Name: "Polyangium minus" Krzemieniewska and Krzemieniewski 1926

Category: Species

Proposed as: sp. nov.

Etymology: mi’nus. L. comp. neut. adj. minus, smaller. The epithet minus (sic) is in the neuter gender, but the genus name Cystobacter is in the masculine gender. The correct epithet should be minor (comparative of parvus, small)

Pronunciation (Latin), gender: po-ly-an-GI-um MI-nus, neuter

Nomenclatural type: Cb m2; DSM 14751; JCM 12627; Windsor M-307

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ233903 Analyse FASTA

Original publication: Krzemieniewska H, Krzemieniewski S. Miksobacterje Polski (Die Myxobakterien von Polen). Acta Societatis Botanicorum Poloniae 1926; 4:1-54.

Nomenclatural status: not validly published, basonym of name in Approved Lists

Taxonomic status: synonym (and no standing)

Correct name: Archangium minus (Krzemieniewska and Krzemieniewski 1926) Lang et al. 2015

Risk group: 1

• Synonyms:

  • Name	Kind
    Archangium minus (Krzemieniewska and Krzemieniewski 1926) Lang et al. 2015	homotypic synonym, validly published under the ICNP
    Cystobacter minor corrig. (Krzemieniewska and Krzemieniewski 1926) McCurdy 1970 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Cystobacter minus (Krzemieniewska and Krzemieniewski 1926) McCurdy 1970 (Approved Lists 1980)	homotypic synonym, inaccurate spelling

• Notes:
  • 😡 This taxon name is a homonym of Polyangium minus corrig. (Peterson 1959) McCurdy 1970 (Approved Lists 1980).
  • 😷 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". — 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.

Parent taxon: Polyangium Link 1809 (Approved Lists 1980)

Assigned by: Krzemieniewska H, Krzemieniewski S. Miksobacterje Polski (Die Myxobakterien von Polen). Acta Societatis Botanicorum Poloniae 1926; 4:1-54.

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Record number: 4315