Name: Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998

Category: Species

Proposed as: comb. nov.

Basonym: Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980)

Etymology: pfen.ni’gi.i. N.L. gen. masc. n. pfennigii, of Pfennig, named after N. Pfennig, a German microbiologist

Pronunciation (Latin), gender: t^hi-o-KOK-kus pfen-NI-gi-i, masculine

Type strain: 4250; 8013; DSM 1375; DSM 226; Nidelven; NTHC, Nidelven

16S rRNA gene: Y12373 Analyse FASTA

Valid publication: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 4 of the IJSB. Int J Syst Bacteriol 1999; 49:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Thiococcus (ex Eimhjellen et al. 1967) Imhoff et al. 1998. Publication: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Germany has been imported on 2026-08-13. 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 8 times in PubMed until 2026-06-11.
  • 🧍 However, the strain DSM 1375 is not - and has never been - available from the DSMZ [3]. According to Imhoff et al. 1998, the correct type strain is DSM 226. — Kracht M. Personal communication, unspecified date.
  • 🧍 Nevertheless, Imhoff et al. [1] write that the description of Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998 is the same that for Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980). In the Approved Lists [2], the type strain of Thiocapsa pfennigii is the strain DSM 1375. Publication: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 On page 1131 of the paper by Imhoff et al. 1998, the type strain of Thiococcus pfennigii and the type strain of Thiocapsa pfennigii are cited as strain 8013 = DSM 226 [1]. Nevertheless, Imhoff et al. [1] write that the description of Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998 is the same that for Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980). In the Approved Lists [2], the type strain of Thiocapsa pfennigii is the strain DSM 1375. However, the strain DSM 1375 is not - and has never been - available from the DSMZ [3]. According to Imhoff et al. 1998, the correct type strain is DSM 226. Publication: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪

Parent taxon: Thiococcus (ex Eimhjellen et al. 1967) Imhoff et al. 1998

Assigned by: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.782733Copy to clipboardLink copied to clipboard

Record number: 782733