Name: Nitrosomonas europaea Winogradsky 1892 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: eu.ro.pae’a. N.L. fem. adj. europaea, of or belonging to Europe, European

Pronunciation, gender: e͡u-ro-PA͡E-a, feminine

Type strain: ATCC 25978; C-31; DSM 28437

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF353160 Analyse FASTA

Effective publication: Winogradsky S. Contributions à la morphologie des organismes de la nitrification. Arkhiv Biologicheskikh Nauk (St. Petersbourg) 1892; 1:87-137.

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

• Emendations:
  • Koops et al. 1991 Koops HP, Böttcher B, Möller UC, Pommerening-Röser A, Stehr G. Classification of eight new species of ammonia-oxidizing bacteria: Nitrosomonas communis sp. nov., Nitrosomonas ureae sp. nov., Nitrosomonas aestuarii sp. nov., Nitrosomonas marina sp. nov., Nitrosomonas nitrosa sp. nov., Nitrosomonas eutropha sp. nov., Nitrosomonas oligotropha sp. nov. and Nitrosomonas halophila sp. nov. J. Gen. Microbiol. 1991; 137:1689-1699.
    Notes:
    • 🧍 As of 2020-09-20 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🥇 Nomenclatural type of the genus Nitrosomonas Winogradsky 1892 (Approved Lists 1980). Publication: Winogradsky S. Contributions à la morphologie des organismes de la nitrification. Arkhiv Biologicheskikh Nauk (St. Petersbourg) 1892; 1:87-137.
  • 😷 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 698 times in PubMed until 2025-06-04.

Parent taxon: Nitrosomonas Winogradsky 1892 (Approved Lists 1980)

Assigned by: Winogradsky S. Contributions à la morphologie des organismes de la nitrification. Arkhiv Biologicheskikh Nauk (St. Petersbourg) 1892; 1:87-137.

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Record number: 784484