Name: Pseudarcobacter defluvii corrig. (Collado et al. 2011) Pérez-Cataluña et al. 2019

Category: Species

Proposed as: comb. nov.

Basonym: Arcobacter defluvii Collado et al. 2011

Etymology: de.flu’vi.i. L. gen. neut. n. defluvii, falling off or out

Pronunciation, gender: … de-FLU-wi-i, masculine

Type strain: CECT 7697; DSM 25359; LMG 25694; SW28-11

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MG195894 Analyse FASTA

Effective publication: Perez-Cataluna A, Salas-Masso N, Dieguez AL, Balboa S, Lema A, Romalde JL, Figueras MJ. Revisiting the Taxonomy of the Genus Arcobacter: Getting Order From the Chaos. Front Microbiol 2018; 9:2077. 🇪🇸

IJSEM list: Oren A, Garrity GM. Validation list no. 185. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2019; 69:5-9.

Nomenclatural status: validly published under the ICNP

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

Correct name: Arcobacter defluvii Collado et al. 2011

• Synonyms:

  • Name	Kind
    Arcobacter defluvii Collado et al. 2011	homotypic synonym, validly published under the ICNP
    Pseudoarcobacter defluvii (Collado et al. 2011) Pérez-Cataluña et al. 2019	other spelling of name, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Pseudarcobacter corrig. Pérez-Cataluña et al. 2019. Publication: Perez-Cataluna A, Salas-Masso N, Dieguez AL, Balboa S, Lema A, Romalde JL, Figueras MJ. Revisiting the Taxonomy of the Genus Arcobacter: Getting Order From the Chaos. Front Microbiol 2018; 9:2077. 🇪🇸
  • ❗ Pseudarcobacter defluvii 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 Pseudarcobacter.
  • 🎓 Name mentioned 1 time 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 genus.

Parent taxon: Pseudarcobacter corrig. Pérez-Cataluña et al. 2019

Assigned by: Perez-Cataluna A, Salas-Masso N, Dieguez AL, Balboa S, Lema A, Romalde JL, Figueras MJ. Revisiting the Taxonomy of the Genus Arcobacter: Getting Order From the Chaos. Front Microbiol 2018; 9:2077. 🇪🇸

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Record number: 798490