Name: Ignicoccus pacificus Huber and Stetter 2000

Category: Species

Proposed as: sp. nov.

Etymology: pa.ci’fi.cus. L. masc. adj. pacificus, peaceful, pertaining to the Pacific Ocean, describing the site of its first isolation

Pronunciation (Latin), gender: … pa-KI-fi-kus, masculine

Type strain: ATCC 700958; DSM 13166; LPC 33

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ271794 Analyse FASTA

Valid publication: Huber H, Burggraf S, Mayer T, Wyschkony I, Rachel R, Stetter KO. Ignicoccus gen. nov., a novel genus of hyperthermophilic, chemolithoautotrophic Archaea, represented by two new species, Ignicoccus islandicus sp nov and Ignicoccus pacificus sp nov. and Ignicoccus pacificus sp. nov. Int J Syst Evol Microbiol 2000; 50:2093-2100. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 6 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:267-268.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • ✏ The authority of the taxon name (Huber and Stetter) deliberately differs from the authors of the publication (Huber et al.).
  • 😷 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. — 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 4 times in PubMed until 2025-06-04.
  • 🧍 Complete authorship reads: Huber, Burggraf and Stetter 2000 in Huber, Burggraf, Mayer, Wyschkony, Rachel and Stetter 2000.

Parent taxon: Ignicoccus Huber et al. 2000

Assigned by: Huber H, Burggraf S, Mayer T, Wyschkony I, Rachel R, Stetter KO. Ignicoccus gen. nov., a novel genus of hyperthermophilic, chemolithoautotrophic Archaea, represented by two new species, Ignicoccus islandicus sp nov and Ignicoccus pacificus sp nov. and Ignicoccus pacificus sp. nov. Int J Syst Evol Microbiol 2000; 50:2093-2100. 🇩🇪

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Record number: 777021