Name: Sulfolobus hakonensis Takayanagi et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: ha.kon.en’sis. N.L. masc./fem. adj. hakonensis, pertaining to Hakone, Japan, where the type strain was isolated

Gender: masculine

Type strain: ATCC 51241; DSM 7519; HO1-1; IAM 14250; JCM 8857

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D86414 Analyse FASTA

Valid publication: Takayanagi S, Kawasaki H, Sugimori K, Yamada T, Sugai A, Ito T, Yamasato K, Shioda M. Sulfolobus hakonensis sp. nov., a novel species of acidothermophilic archaeon. Int J Syst Bacteriol 1996; 46:377-382.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 2 of the IJSB. Int J Syst Bacteriol 1996; 46:838.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Metallosphaera hakonensis (Takayanagi et al. 1996) Kurosawa et al. 2003

Risk group: 1

• Synonyms:

  • Name	Kind
    Metallosphaera hakonensis (Takayanagi et al. 1996) Kurosawa et al. 2003	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Sulfolobus hakonensis 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 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-28.

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

Assigned by: Takayanagi S, Kawasaki H, Sugimori K, Yamada T, Sugai A, Ito T, Yamasato K, Shioda M. Sulfolobus hakonensis sp. nov., a novel species of acidothermophilic archaeon. Int J Syst Bacteriol 1996; 46:377-382.

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Record number: 782312