Name: Hephaestia caeni Felföldi et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: cae’ni. L. gen. neut. n. caeni, of mud, referring to that the type strain was isolated from activated sludge

Gender: feminine

Type strain: DSM 25527; ERB1-3; NCAIM B.02511

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FJ948169 Analyse FASTA

Valid publication: Felfoldi T, Vengring A, Marialigeti K, Andras J, Schumann P, Toth EM. Hephaestia caeni gen. nov., sp. nov., a novel member of the family Sphingomonadaceae isolated from activated sludge. Int J Syst Evol Microbiol 2014; 64:738-744.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 3 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:1827-1829.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Hephaestia Felföldi et al. 2014. Publication: Felfoldi T, Vengring A, Marialigeti K, Andras J, Schumann P, Toth EM. Hephaestia caeni gen. nov., sp. nov., a novel member of the family Sphingomonadaceae isolated from activated sludge. Int J Syst Evol Microbiol 2014; 64:738-744.
  • 😢 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. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. 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.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-28.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. 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.

Parent taxon: Hephaestia Felföldi et al. 2014

Assigned by: Felfoldi T, Vengring A, Marialigeti K, Andras J, Schumann P, Toth EM. Hephaestia caeni gen. nov., sp. nov., a novel member of the family Sphingomonadaceae isolated from activated sludge. Int J Syst Evol Microbiol 2014; 64:738-744.

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Record number: 791620