Name: Corallococcus macrosporus (Krzemieniewska and Krzemieniewski 1926) Reichenbach 2007

Category: Species

Proposed as: comb. nov.

Basonym: "Chondrococcus macrosporus" Krzemieniewska and Krzemieniewski 1926

Etymology: ma.cro.spo.rus. Gr. masc. adj. makros, long, large; Gr. fem. n. spora, a seed and in biology a spore; N.L. masc. adj. macrosporus, with large spore

Gender: masculine

Type strain: Cc m8; CIP 109128; DSM 14697; JCM 12621

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ233921 Analyse FASTA

Effective publication: Reichenbach H. Genus II. Corallococcus gen. nov. (Chondrococcus Jahn 1924, 85). In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1079-1082.

IJSEM list: Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Chondrococcus macrosporus" Krzemieniewska and Krzemieniewski 1926	homotypic synonym, not validly published, basonym of name in Approved Lists
    Myxococcus macrosporus (Krzemieniewska and Krzemieniewski 1926) Zahler and McCurdy 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 5 times in PubMed until 2024-03-27.
  • 🧍 According to Dr. H. Reichenbach the type strain of Corallococcus macrosporus is the strain Cc m8 (= DSM 14697 = CIP 109128), not the strain Windsor M271 [the type strain of Myxococcus macrosporus (Krzemieniewska and Krzemieniewski 1926) Zahler and McCurdy 1974 (Approved Lists 1980)]. Consequently, Corallococcus macrosporus cannot be a new combination (basonym Myxococcus macrosporus) as cited in the effective publication. — 🧍 The type strain CIP 109128 has been provided on request for validation. Publication: Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Parent taxon: Corallococcus Reichenbach 2007

Assigned by: Reichenbach H. Genus II. Corallococcus gen. nov. (Chondrococcus Jahn 1924, 85). In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1079-1082.

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Record number: 775124