Species Sulfolobus metallicus

Name: Sulfolobus metallicus Huber and Stetter 1992

Category, proposed as: species, sp. nov.

Etymology: me.tal’li.cus. L. masc. n. metallicus, the miner (can be noun or adjective)

Pronunciation (Latin), gender: sul-FO-lo-bus me-TAL-li-kus, masculine

Type strain: DSM 6482; IFO 15436; JCM 9184; Kra 23; NBRC 15436

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D85519 Analyse FASTA

Effective publication: Huber G, Stetter KO. Sulfolobus metallicus, sp. nov., a novel strictly chemolithoautotrophic thermophilic archaeal species of metal-mobilizers. Syst. Appl. Microbiol. 1991; 14:372-378. 🇩🇪

IJSEM list: Anonymous. Validation list no. 40. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1992; 42:191-192.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Sulfuracidifex metallicus (Huber and Stetter 1992) Itoh et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Sulfolobus metallicus 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 Sulfolobus.
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 30 times in PubMed until 2026-06-11.

Parent taxon: Sulfolobus Brock et al. 1972 (Approved Lists 1980)

Assigned by: Huber G, Stetter KO. Sulfolobus metallicus, sp. nov., a novel strictly chemolithoautotrophic thermophilic archaeal species of metal-mobilizers. Syst. Appl. Microbiol. 1991; 14:372-378. 🇩🇪

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Record number: 782313