Name: Porphyrobacter mercurialis Coil et al. 2016

Category: Species

Proposed as: sp. nov.

Etymology: mer.cu.ri.a’lis. L. masc. adj. mercurialis, temperamental in reference to difficulties in establishing consistent growth requirements during characterization

Pronunciation (Latin), gender: por-p^hy-ro-BAK-ter mer-ku-ri-A-lis, masculine

Type strain: Coronado; DSM 29971; LMG 28700

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KP122961 Analyse FASTA

Effective publication: Coil DA, Flanagan JC, Stump A, Alexiev A, Lang JM, Eisen JA. Porphyrobacter mercurialis sp. nov., isolated from a stadium seat and emended description of the genus Porphyrobacter. PeerJ 2015; 3:e1400. 🇺🇸

IJSEM list: Oren A, Garrity GM. Validation list no. 168. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:1603-1606.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Croceibacterium mercuriale (Coil et al. 2016) Liu et al. 2019

Risk group: 1

• Synonyms:

  • Name	Kind
    Croceibacterium mercuriale (Coil et al. 2016) Liu et al. 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Porphyrobacter mercurialis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Porphyrobacter.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 3 times in PubMed until 2026-06-11.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). 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. 🇩🇪
  • 🧍 In the effective publication, the DSMZ-collection number is mistakenly cited as DSMZ 29971. The correct designation is DSM 29971. — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.

Parent taxon: Porphyrobacter Fuerst et al. 1993

Assigned by: Coil DA, Flanagan JC, Stump A, Alexiev A, Lang JM, Eisen JA. Porphyrobacter mercurialis sp. nov., isolated from a stadium seat and emended description of the genus Porphyrobacter. PeerJ 2015; 3:e1400. 🇺🇸

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Record number: 793909