| Kingdom | Phylum | Class | Order |
|---|---|---|---|
| Archaea | Euryarchaeota | Thermococci | Thermococcales |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| genus | Palaeococcus Takai, Sugai, Itoh & Horikoshi, 2000 | accepted |
| genus | Pyrococcus Fiala & Stetter, 1986 | accepted |
| genus | Thermococcus Zillig, 1983 | accepted |
Thermococcaceae. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-19.