Name: Poseidonibacter Pérez-Cataluña et al. 2019

Category: Genus

Proposed as: gen. nov.

Etymology: Po.se.i.do.ni.bac’ter. Gr. masc. n. Poseidôn, God of the sea; N.L. masc. n. bacter, rod; N.L. masc. n. Poseidonibacter, referring to the marine habitat of this bacteria

Gender, pronunciation (Latin): masculine (stem: Poseidonibacter-), po-se-i-do-ni-BAK-ter

Type species: Poseidonibacter lekithochrous (Diéguez et al. 2017) Pérez-Cataluña et al. 2019

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

Correct name: Arcobacter Vandamme et al. 1991

• Synonyms:

  • Name	Kind
    Arcobacter Vandamme et al. 1991	heterotypic synonym, validly published under the ICNP
    "Aliarcobacter" Pérez-Cataluña et al. 2018	heterotypic synonym, not validly published
    Malacobacter Pérez-Cataluña et al. 2019	heterotypic synonym, inaccurate spelling
    Aliarcobacter Pérez-Cataluña et al. 2020	heterotypic synonym, validly published under the ICNP
    Halarcobacter corrig. Pérez-Cataluña et al. 2019	heterotypic synonym, validly published under the ICNP
    Pseudarcobacter corrig. Pérez-Cataluña et al. 2019	heterotypic synonym, validly published under the ICNP
    Malaciobacter corrig. Pérez-Cataluña et al. 2019	heterotypic synonym, validly published under the ICNP
    Haloarcobacter Pérez-Cataluña et al. 2019	heterotypic synonym, inaccurate spelling
    Pseudoarcobacter Pérez-Cataluña et al. 2019	heterotypic synonym, inaccurate spelling

• Notes:
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Arcobacter Vandamme et al. 1991. Publication: Dieguez AL, Balboa S, Magnesen T, Romalde JL. Arcobacter lekithochrous sp. nov., isolated from a molluscan hatchery. Int J Syst Evol Microbiol 2017; 67:1327-1332. 🇪🇸
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Pseidonibacter".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: On SLW. International Committee on Systematics of Prokaryotes (ICSP) Subcommittee on the Taxonomy of Campylobacter and related bacteria: minutes of the closed meetings, 17 January and 31 January 2024. Int J Syst Evol Microbiol 2025; 75:6618. 🇳🇿
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Dieguez et al. (2018). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • ❗ Poseidonibacter is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🎰 The BRCs most frequently used for deposits in this group are: CECT: 1; KACC: 1; DSM: 1; KCTC: 1; JCM: 1; MCCC: 1.
  • 🧍 The dissection of Arcobacter was opposed by On et al. (2020). Publication: On SLW, Miller WG, Biggs PJ, Cornelius AJ, Vandamme P. A critical rebuttal of the proposed division of the genus Arcobacter into six genera using comparative genomic, phylogenetic, and phenotypic criteria. Syst Appl Microbiol 2020; 43:126108. 🇳🇿

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Poseidonibacter antarcticus Guo et al. 2019	validly published under the ICNP	synonym
    Poseidonibacter lekithochrous (Diéguez et al. 2017) Pérez-Cataluña et al. 2019	validly published under the ICNP	synonym
    Poseidonibacter parvus Kim et al. 2021	validly published under the ICNP	synonym

Parent taxon: Arcobacteraceae Waite et al. 2020

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: 520463