Name: Haemophilus pittmaniae Nørskov-Lauritsen et al. 2005

Category: Species

Proposed as: sp. nov.

Etymology: pitt.ma’ni.ae. N.L. gen. fem. n. pittmaniae, of Pittman, named in honour of Margaret Pittman for her substantial contributions to Heamophilus research

Pronunciation (Latin), gender: ha͡e-MO-p^hi-lus pitt-MA-ni-a͡e, masculine

Type strain: CCUG 48703; DSM 21203; HK 85; NCTC 13334

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ290755 Analyse FASTA

Valid publication: Norskov-Lauritsen N, Bruun B, Kilian M. Multilocus sequence phylogenetic study of the genus Haemophilus with description of Haemophilus pittmaniae sp. nov. Int J Syst Evol Microbiol 2005; 55:449-456. 🇩🇰

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Parahaemophilus pittmaniae" (Nørskov-Lauritsen et al. 2005) Segui et al. 2026	homotypic synonym, not validly published

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.04615 (N = 30).
  • 😷 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 2026-08-13. The full classification is: risk group = 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.
  • 🎓 Name mentioned 9 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Haemophilus corrig. Winslow et al. 1917 (Approved Lists 1980)

Assigned by: Norskov-Lauritsen N, Bruun B, Kilian M. Multilocus sequence phylogenetic study of the genus Haemophilus with description of Haemophilus pittmaniae sp. nov. Int J Syst Evol Microbiol 2005; 55:449-456. 🇩🇰

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Record number: 776648