Name: "Mikrokokkus catarrhalis" Frosch and Kolle 1896

Category: Species

Proposed as: sp. nov.

Etymology: ca.tar.rha’lis. N.L. masc. adj. catarrhalis, pertaining to a catarrh

Pronunciation (Latin), gender: … ka-tar-R^HA-lis, masculine

Nomenclatural type: ATCC 25238; CCUG 353; CIP 73.21; DSM 9143; LMG 5128; NCTC 11020; Ne 11

Conduct genome-based taxonomy at

16S rRNA gene: AF005185 Analyse FASTA

Original publication: Frosch P, Kolle W. Die Mikrokokken. In: Flügge C (eds), Die Mikrooganismen, 3rd. ed., F.C.W. Vogel, Leipzig, 1896, p. 154-155.

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

Taxonomic status: synonym (and no standing)

Correct name: Moraxella catarrhalis (Frosch and Kolle 1896) Henriksen and Bøvre 1968 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    Moraxella veridica Nguyen et al. 2025	heterotypic synonym, validly published under the ICNP
    Moraxella catarrhalis (Frosch and Kolle 1896) Henriksen and Bøvre 1968 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Branhamella catarrhalis (Frosch and Kolle 1896) Catlin 1970 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Committee (2025), this species is an earlier heterotypic synonym of Moraxella veridica Nguyen et al. 2025. Publication: Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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: [Mikrokokkus]

Assigned by: Frosch P, Kolle W. Die Mikrokokken. In: Flügge C (eds), Die Mikrooganismen, 3rd. ed., F.C.W. Vogel, Leipzig, 1896, p. 154-155.

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Record number: 4415