Name: Pyxidicoccus fallax corrig. Reichenbach 2007

Category: Species

Proposed as: sp. nov.

Etymology: fal’lax. L. masc. adj. fallax, deceptive

Pronunciation (Latin), gender: … FAL-laks, masculine

Type strain: CIP 109125; DSM 14698; JCM 12639; Py f1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: DQ768123 Analyse FASTA

Effective publication: Reichenbach H. Genus III. Pyxicoccus gen. nov. 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. 1083-1084. 🇩🇪

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
    Pyxicoccus fallax Reichenbach 2007	other spelling of name, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Pyxidicoccus corrig. Reichenbach 2007. Publication: Reichenbach H. Genus III. Pyxicoccus gen. nov. 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. 1083-1084. 🇩🇪
  • 😷 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 9 times in PubMed until 2025-06-04.
  • 🧍 The original name, Pyxicoccus (sic) fallax, has been corrected on validation according to Rule 61. — 🧍 The type strain CIP 109125 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: Pyxidicoccus corrig. Reichenbach 2007

Assigned by: Reichenbach H. Genus III. Pyxicoccus gen. nov. 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. 1083-1084. 🇩🇪

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Record number: 786229