Palaeococcus pacificus Zeng et al. 2013 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Thermococci order Thermococcales family Thermococcaceae genus Palaeococcus species Palaeococcus pacificus Name Homonyms Palaeococcus pacificus Palaeococcus pacificus Zeng et al. 2013