Palaeococcus Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Archaea phylum Methanobacteriota_B class Thermococci order Thermococcales family Thermococcaceae genus Palaeococcus Name Homonyms Palaeococcus Palaeococcus Cockerell, 1894 Palaeococcus Takai et al., 2000 Palaeococcus