Pyrococcus kukulkanii Dataset NCBI Taxonomy Rank SPECIES Classification kingdom Methanobacteriati phylum Methanobacteriota class Thermococci order Thermococcales family Thermococcaceae genus Pyrococcus species Pyrococcus kukulkanii Name Synonyms Pyrococcus kukulkanii Callac et al. 2016 Homonyms Pyrococcus kukulkanii Pyrococcus kukulkanii Callac et al. 2016