Palaeococcus ferrophilus

Palaeococcus ferrophilus is a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. It cells are irregular cocci and motile with multiple polar flagella.^[1]

Palaeococcus ferrophilus
Scientific classification
Domain:	Archaea
Kingdom:	Methanobacteriati
Phylum:	Methanobacteriota
Class:	Thermococci
Order:	Thermococcales
Family:	Thermococcaceae
Genus:	Palaeococcus
Species:	P. ferrophilus
Binomial name
Palaeococcus ferrophilus Takai et al. 2000

Paleococcus was the third genus within Euryarchaeota to be described in the literature. These organisms prefer to use elemental sulfur as an electron acceptor, but they can also use ferrous oxide.^[2]