Name: Tritonibacter ulvae (Penesyan et al. 2013) Hördt et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Epibacterium ulvae Penesyan et al. 2013

Etymology: ul’vae. L. gen. fem. n. ulvae, of Ulva, the name of a genus of green algae, as the type strain was isolated from a frond surface of Ulva pertusa Kjellman

Pronunciation, gender: UL-wa͡e, masculine

Type strain: DSM 24752; LMG 26464; U95

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN935021 Analyse FASTA

Effective publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

IJSEM list: Oren A, Garrity GM. Validation list no. 194. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:4043-4049.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Epibacterium ulvae Penesyan et al. 2013

• Synonyms:

  • Name	Kind
    Epibacterium ulvae Penesyan et al. 2013	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
  • 🧍 Tritonibacter ulvae (Penesyan et al. 2013) Hördt et al. 2020 is illegitimate because it is a homotypic synonym of a type species with a genus name that has priority. Publication: Penesyan A, Breider S, Schumann P, Tindall BJ, Egan S, Brinkhoff T. Epibacterium ulvae gen. nov., sp. nov., epibiotic bacteria isolated from the surface of a marine alga. Int J Syst Evol Microbiol 2013; 63:1589-1596.

Parent taxon: Tritonibacter Klotz et al. 2018

Assigned by: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

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Record number: 11125