Name: Pseudocitrobacter faecalis Kämpfer et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: fae.ca’lis. L. fem. n. faex (gen. faecis), dregs; L. masc./fem. adj. suff. -alis, suffix denoting pertaining to; N.L. masc. adj. faecalis, fecal

Pronunciation (Latin), gender: … fa͡e-KA-lis, masculine

Type strain: 25 CIT; CCM 8479; DSM 27453; LMG 27751

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KF057941 Analyse FASTA

Effective publication: Kampfer P, Glaeser SP, Raza MW, Abbasi SA, Perry JD. Pseudocitrobacter gen. nov., a novel genus of the Enterobacteriaceae with two new species Pseudocitrobacter faecalis sp. nov., and Pseudocitrobacter anthropi sp. nov, isolated from fecal samples from hospitalized patients in Pakistan. Syst Appl Microbiol 2014; 37:17-22. 🇩🇪

IJSEM list: Oren A, Garrity GM. Validation list no. 157. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2014; 64:1455-1458.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Pseudocitrobacter anthropi Kämpfer et al. 2014	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Kämpfer et al. 2020 Kampfer P, Fuglsang-Damgaard D, Overballe-Petersen S, Hasman H, Hammerum AM, Fuursted K, Blom J, Glaeser SP, Hansen F. Taxonomic reassessment of the genus Pseudocitrobacter using whole genome sequencing: Pseudocitrobacter anthropi is a later heterotypic synonym of Pseudocitrobacter faecalis and description of Pseudocitrobacter vendiensis sp. nov. Int J Syst Evol Microbiol 2020; 70:1315-1320. 🇩🇪 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 2 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2967-2971.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • 🥇 Nomenclatural type of the genus Pseudocitrobacter Kämpfer et al. 2014. Publication: Kampfer P, Glaeser SP, Raza MW, Abbasi SA, Perry JD. Pseudocitrobacter gen. nov., a novel genus of the Enterobacteriaceae with two new species Pseudocitrobacter faecalis sp. nov., and Pseudocitrobacter anthropi sp. nov, isolated from fecal samples from hospitalized patients in Pakistan. Syst Appl Microbiol 2014; 37:17-22. 🇩🇪
  • ⏰ According to Kämpfer et al. (2020), this species is an earlier heterotypic synonym of Pseudocitrobacter anthropi Kämpfer et al. 2014. Publication: Kampfer P, Fuglsang-Damgaard D, Overballe-Petersen S, Hasman H, Hammerum AM, Fuursted K, Blom J, Glaeser SP, Hansen F. Taxonomic reassessment of the genus Pseudocitrobacter using whole genome sequencing: Pseudocitrobacter anthropi is a later heterotypic synonym of Pseudocitrobacter faecalis and description of Pseudocitrobacter vendiensis sp. nov. Int J Syst Evol Microbiol 2020; 70:1315-1320. 🇩🇪
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 2 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2967-2971.
  • 🎓 Name mentioned 9 times in PubMed until 2025-06-04.
  • 🙆 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 pathogenicity of the species itself.

Parent taxon: Pseudocitrobacter Kämpfer et al. 2014

Assigned by: Kampfer P, Glaeser SP, Raza MW, Abbasi SA, Perry JD. Pseudocitrobacter gen. nov., a novel genus of the Enterobacteriaceae with two new species Pseudocitrobacter faecalis sp. nov., and Pseudocitrobacter anthropi sp. nov, isolated from fecal samples from hospitalized patients in Pakistan. Syst Appl Microbiol 2014; 37:17-22. 🇩🇪

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Record number: 791790