Name: Sporocytophaga myxococcoides (Krzemieniewska 1933) Stanier 1940 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Cytophaga myxococcoides" Krzemieniewska 1933

Etymology: my.xo.coc.co.i’des. N.L. masc. n. Myxococcus, genus name of a bacterium; L. adj. suff. -oides, resembling, similar; from Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure; N.L. fem. adj. myxococcoides, resembling Myxococcus

Pronunciation, gender: my-kso-kok-ko-I-des, feminine

Type strain: ATCC 10010; DSM 11118; LMG 8393

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ310654 Analyse FASTA

Effective publication: Stanier RY. Studies on the Cytophagas. J Bacteriol 1940; 40:619-635.

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: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Cytophaga myxococcoides" Krzemieniewska 1933	homotypic synonym, not validly published, basonym of name in Approved Lists

• Emendations:
  • Hahnke et al. 2016 Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 🥇 Nomenclatural type of the genus Sporocytophaga Stanier 1940 (Approved Lists 1980). Publication: Stanier RY. Studies on the Cytophagas. J Bacteriol 1940; 40:619-635.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 29 times in PubMed until 2025-06-04.

Parent taxon: Sporocytophaga Stanier 1940 (Approved Lists 1980)

Assigned by: Stanier RY. Studies on the Cytophagas. J Bacteriol 1940; 40:619-635.

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Record number: 781118