Methanocaldococcus villosus Dataset NCBI Taxonomy Rank SPECIES Classification phylum Euryarchaeota class Methanococci order Methanococcales family Methanocaldococcaceae genus Methanocaldococcus species Methanocaldococcus villosus Name Synonyms Methanocaldococcus villosus Bellack et al. 2011 Homonyms Methanocaldococcus villosus Methanocaldococcus villosus Bellack et al. 2011