Genus Pseudaquabacterium

Name: Pseudaquabacterium Lu and Chen 2024

Category, proposed as: genus, gen. nov.

Etymology: Pseud.a.qua.bac.te’ri.um. Gr. neut. adj. pseudes, false; N.L. neut. n. Aquabacterium, a bacterial genus name [probably better: Aquibacterium]; N.L. neut. n. Pseudaquabacterium, the false Aquabacterium

Gender, pronunciation (Latin): neuter (stem: Pseudaquabacteri-), pse͡ud-a-kwa-bak-TE-ri-um

Type species: Pseudaquabacterium pictum (Hirose et al. 2020) Lu and Chen 2024

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Lu H, Chen L. Ideonella margarita sp. nov., Ideonella lacteola sp. nov., Pseudaquabacterium inlustre sp. nov. and Pseudaquabacterium rugosum sp. nov., isolated from streams in China and re-examining the taxonomic status of all the genera within the family Sphaerotilaceae. Int J Syst Evol Microbiol 2024; 74:6495. 🇨🇳

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 8 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6534.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Rubrivivax Willems et al. 1991

• Synonyms:

  • Name	Kind
    Rubrivivax Willems et al. 1991	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Rubrivivax Willems et al. 1991. Publication: Liu Y, Du J, Pei T, Du H, Feng GD, Zhu H. Genome-based taxonomic classification of the closest-to-Comamonadaceae group supports a new family Sphaerotilaceae fam. nov. and taxonomic revisions. Syst Appl Microbiol 2022; 45:126352. 🇨🇳
  • ❗ Pseudaquabacterium 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: KCTC: 4; NBRC: 4; GDMCC: 2; KACC: 1; DSM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Pseudaquabacterium humicola" (Lee et al. 2024) Lee et al. 2026	not validly published	synonym
    Pseudaquabacterium inlustre Lu and Chen 2024	validly published under the ICNP	orphaned species
    Pseudaquabacterium pictum (Hirose et al. 2020) Lu and Chen 2024	validly published under the ICNP	synonym
    "Pseudaquabacterium prasiolae" Lee et al. 2026	not validly published	preferred name
    Pseudaquabacterium rugosum Lu and Chen 2024	validly published under the ICNP	orphaned species
    Pseudaquabacterium terrae (Dahal et al. 2021) Lu and Chen 2024	validly published under the ICNP	synonym

Parent taxon: Sphaerotilaceae Liu et al. 2023

Assigned by: Lu H, Chen L. Ideonella margarita sp. nov., Ideonella lacteola sp. nov., Pseudaquabacterium inlustre sp. nov. and Pseudaquabacterium rugosum sp. nov., isolated from streams in China and re-examining the taxonomic status of all the genera within the family Sphaerotilaceae. Int J Syst Evol Microbiol 2024; 74:6495. 🇨🇳

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Record number: 52577

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31