Name: Palaeococcus ferrophilus Takai et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: fer.ro.phi.lus. L. neut. n. ferrum, iron; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. masc. adj. ferrophilus, iron-loving, indicating that it requires iron for growth in the absence of sulfur

Gender: masculine

Type strain: ATCC BAA-128; DMJ; DSM 13482; JCM 10417

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB019239 Analyse FASTA

Valid publication: Takai K, Sugai A, Itoh T, Horikoshi K. Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 2000; 50:489-500.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Palaeococcus Takai et al. 2000. Publication: Takai K, Sugai A, Itoh T, Horikoshi K. Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 2000; 50:489-500.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 7 times in PubMed until 2024-03-27.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.
  • 🧍 Type strain JCM 10246 was an error, should read JCM 10417. — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.
  • 🧍 In the paper by Takai et al. 2000, the type strain is erroneously cited as strain DMJ = JCM 10246 (sic). Publication: . Erratum. Int. J. Syst. Evol. Microbiol. 2000; 50:1411.

Parent taxon: Palaeococcus Takai et al. 2000

Assigned by: Takai K, Sugai A, Itoh T, Horikoshi K. Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 2000; 50:489-500.

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Record number: 779109