Methanothermus fervidus Dataset NCBI Taxonomy Rank SPECIES Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanothermaceae genus Methanothermus species Methanothermus fervidus Name Synonyms Methanothermus fervidus Stetter et al. 1982 Homonyms Methanothermus fervidus Methanothermus fervidus V24S Methanothermus fervidus ATCC 43054 Methanothermus fervidus Stetter et al. 1982