Species Congregicoccus parvus

Name: Congregicoccus parvus Islam et al. 2025

Category, proposed as: species, sp. nov.

Etymology: par’vus. L. masc. adj. parvus, small, referring to small cells of the type strain

Pronunciation (Latin), gender: kon-gre-gi-KOK-kus PAR-wus, masculine

Type strain: ASA1; JCM 36569; NCIMB 15508

Conduct genome-based taxonomy at

16S rRNA gene: AP028972 Analyse FASTA

Effective publication: Islam MS, Yamamoto K, Morita N, Kitagawa W, Yumoto I, Kato S, Nakai R, Igarashi K. Characterization of Congregicoccus parvus gen. nov., sp. nov., a novel slow-growing ultramicrobacterium of the phylum Verrucomicrobiota. PLoS One 2025; 20:e0326734. 🇯🇵

IJSEM list: Oren A, Göker M. Validation list no. 226. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6910.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the genus Congregicoccus Islam et al. 2025. Publication: Islam MS, Yamamoto K, Morita N, Kitagawa W, Yumoto I, Kato S, Nakai R, Igarashi K. Characterization of Congregicoccus parvus gen. nov., sp. nov., a novel slow-growing ultramicrobacterium of the phylum Verrucomicrobiota. PLoS One 2025; 20:e0326734. 🇯🇵
  • 🎓 Name mentioned 1 time in PubMed until 2025-12-16.

Parent taxon: Congregicoccus Islam et al. 2025

Assigned by: Islam MS, Yamamoto K, Morita N, Kitagawa W, Yumoto I, Kato S, Nakai R, Igarashi K. Characterization of Congregicoccus parvus gen. nov., sp. nov., a novel slow-growing ultramicrobacterium of the phylum Verrucomicrobiota. PLoS One 2025; 20:e0326734. 🇯🇵

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Record number: 66329