Name: Opacimonas Lin et al. 2023

Category: Genus

Proposed as: gen. nov.

Etymology: O.pa.ci’mo.nas. L. masc. adj. opacus, shady; L. fem. n. monas, a monad, unit; N.L. fem. n. Opacimonas, an opaque monad

Gender, pronunciation (Latin): feminine (stem: Opacimonad-), o-pa-KI-mo-nas

Type species: Opacimonas viscosa Lin et al. 2023

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Lin X, Cai R, Cai G, Xie J, Zhou Z, Wang H. Opacimonas viscosa gen. nov., sp. nov., a novel bacterium isolated from phycosphere. Int J Syst Evol Microbiol 2023; 73:5904. 🇨🇳

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 5 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5996.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Yang et al. 2025 Yang X, Lin X, Cai R, Wang H, Cai G. Opacimonas immobilis sp. nov., a novel non-flagellated Alteromonadaceae species with the smallest genome isolated from the phycosphere of the diatom Actinocyclus curvatulus. Arch Microbiol 2025; 207:173. 🇨🇳
    Notes:
    • 🧍 As of 2025-06-26 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 2; MCCC: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Opacimonas immobilis" Yang et al. 2025	not validly published	preferred name
    Opacimonas viscosa Lin et al. 2023	validly published under the ICNP	correct name

Parent taxon: Alteromonadaceae Ivanova and Mikhailov 2001

Assigned by: Lin X, Cai R, Cai G, Xie J, Zhou Z, Wang H. Opacimonas viscosa gen. nov., sp. nov., a novel bacterium isolated from phycosphere. Int J Syst Evol Microbiol 2023; 73:5904. 🇨🇳

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.38373Copy to clipboardLink copied to clipboard

Record number: 38373

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31