Name: Wautersiella falsenii Kämpfer et al. 2006

Category: Species

Proposed as: sp. nov.

Etymology: fal.se’ni.i. N.L. gen. masc. n. falsenii, of Falsen, to honour the contemporary Norwegian microbiologist, Enevold Falsen, for his lifelong interest in bacterial taxonomy and for his systematic characterization of bacteria at the CCUG, Göteborg, Sweden

Pronunciation, gender: fal-SE-ni-i, feminine

Type strain: CCUG 51536; CIP 108861; NF 993

See detailed strain information at

16S rRNA gene: AM084341 Analyse FASTA

Valid publication: Kampfer P, Avesani V, Janssens M, Charlier J, De Baere T, Vaneechoutte M. Description of Wautersiella falsenii gen. nov., sp. nov., to accommodate clinical isolates phenotypically resembling members of the genera Chryseobacterium and Empedobacter. Int J Syst Evol Microbiol 2006; 56:2323-2329.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 10 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:2-3.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Empedobacter falsenii (Kämpfer et al. 2006) Zhang et al. 2014

Risk group: 2

• Synonyms:

  • Name	Kind
    Empedobacter falsenii (Kämpfer et al. 2006) Zhang et al. 2014	homotypic synonym, validly published under the ICNP

• Emendations:
  • Zhang et al. 2014 Zhang RG, Tan X, Zhao XM, Deng J, Lv J. Moheibacter sediminis gen. nov., sp. nov., a member of the family Flavobacteriaceae isolated from sediment, and emended descriptions of Empedobacter brevis, Wautersiella falsenii and Weeksella virosa. Int J Syst Evol Microbiol 2014; 64:1481-1487. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 5 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:2509-2511.
    Notes:
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.

• Notes:
  • 🥇 Nomenclatural type of the genus Wautersiella Kämpfer et al. 2006. Publication: Kampfer P, Avesani V, Janssens M, Charlier J, De Baere T, Vaneechoutte M. Description of Wautersiella falsenii gen. nov., sp. nov., to accommodate clinical isolates phenotypically resembling members of the genera Chryseobacterium and Empedobacter. Int J Syst Evol Microbiol 2006; 56:2323-2329.
  • ❗ Wautersiella falsenii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Wautersiella.
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 12 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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 a putative 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: Wautersiella Kämpfer et al. 2006

Assigned by: Kampfer P, Avesani V, Janssens M, Charlier J, De Baere T, Vaneechoutte M. Description of Wautersiella falsenii gen. nov., sp. nov., to accommodate clinical isolates phenotypically resembling members of the genera Chryseobacterium and Empedobacter. Int J Syst Evol Microbiol 2006; 56:2323-2329.

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Record number: 785594