Name: Gemella haemolysans (Thjøtta and Bøe 1938) Berger 1960 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Neisseria haemolysans" Thjøtta and Bøe 1938

Etymology: hae.mo.ly.sans. Gr. neut. n. haîma, blood (Latin transliteration haema); Gr. ind. v. lyô, dissolve, break up; N.L. part. adj. haemolysans, dissolving blood

Gender: feminine

Type strain: ATCC 10379; CCUG 37985; CIP 101126; LMG 18984; NCTC 12968

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M58799 Analyse FASTA

Effective publication: Berger U. [Neisseria haemolysans (Thjotta and Boe, 1938): studies on its place in the system]. Z Hyg Infektionskr 1960; 146:253-259.

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: 2

• Synonyms:

  • Name	Kind
    "Neisseria haemolysans" Thjøtta and Bøe 1938	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🥇 Nomenclatural type of the genus Gemella Berger 1960 (Approved Lists 1980). Publication: Berger U. [Neisseria haemolysans (Thjotta and Boe, 1938): studies on its place in the system]. Z Hyg Infektionskr 1960; 146:253-259.
  • 😷 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". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🎓 Name mentioned 141 times in PubMed until 2024-03-28.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Gemella Berger 1960 (Approved Lists 1980)

Assigned by: Berger U. [Neisseria haemolysans (Thjotta and Boe, 1938): studies on its place in the system]. Z Hyg Infektionskr 1960; 146:253-259.

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Record number: 783898