Name: Poseidonibacter parvus Kim et al. 2021

Category: Species

Proposed as: sp. nov.

Etymology: par’vus. L. masc. adj. parvus, small

Pronunciation, gender: … PAR-wus, masculine

Type strain: JCM 31548; KACC 18888; LPB0137

Conduct genome-based taxonomy at

16S rRNA gene: KX066859 Analyse FASTA

Valid publication: Kim MJ, Baek MG, Shin SK, Yi H. Poseidonibacter parvus sp. nov., isolated from a squid. Int J Syst Evol Microbiol 2021; 71:4590. 🇰🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 1 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4725.

Nomenclatural status: validly published under the ICNP

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

Correct name: Arcobacter parvus (Kim et al. 2021) On et al. 2021

• Synonyms:

  • Name	Kind
    Arcobacter parvus (Kim et al. 2021) On et al. 2021	homotypic synonym, validly published under the ICNP

• 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. The expression "monophyletic clade" is a pleonasm. 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. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • ❗ Poseidonibacter parvus 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 Poseidonibacter.
  • 🎓 Name mentioned 2 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 genus.

Parent taxon: Poseidonibacter Pérez-Cataluña et al. 2019

Assigned by: Kim MJ, Baek MG, Shin SK, Yi H. Poseidonibacter parvus sp. nov., isolated from a squid. Int J Syst Evol Microbiol 2021; 71:4590. 🇰🇷

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Record number: 15310