Name: Pyrobaculum calidifontis Amo et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: ca.li.di.fon’tis. L. masc. adj. calidus, hot; L. masc. n. fons, spring, fountain; N.L. gen. masc. n. calidifontis, hot spring

Gender: neuter

Type strain: DSM 21063; JCM 11548; VA1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078332 Analyse FASTA

Effective publication: Amo T, Paje ML, Inagaki A, Ezaki S, Atomi H, Imanaka T. Pyrobaculum calidifontis sp. nov., a novel hyperthermophilic archaeon that grows in atmospheric air. Archaea 2002; 1:113-121.

IJSEM list: Euzeby JP. Validation list no. 121. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1057.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12261 (N = 2).
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 68 times in PubMed until 2024-03-28.
  • 🧍 The culture collection accession number DSM 21063 has been provided on request for validation. Publication: Euzeby JP. Validation list no. 121. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1057.

Parent taxon: Pyrobaculum Huber et al. 1988

Assigned by: Amo T, Paje ML, Inagaki A, Ezaki S, Atomi H, Imanaka T. Pyrobaculum calidifontis sp. nov., a novel hyperthermophilic archaeon that grows in atmospheric air. Archaea 2002; 1:113-121.

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Record number: 787218