Pyrococcus horikoshii Dataset NCBI Taxonomy Rank SPECIES Classification phylum Euryarchaeota class Thermococci order Thermococcales family Thermococcaceae genus Pyrococcus species Pyrococcus horikoshii Name Synonyms 'Pyrococcus shinkaii' Pyrococcus horikoshii Gonzlez et al. 1999 Pyrococcus shinkaii Homonyms Pyrococcus horikoshii Pyrococcus horikoshii OT-3 Pyrococcus horikoshii Gonzlez et al. 1999