Methanothermus Dataset NCBI Taxonomy Rank GENUS Classification kingdom Methanobacteriati phylum Methanobacteriota class Methanobacteria order Methanobacteriales family Methanothermaceae genus Methanothermus Name Synonyms Methanothermus Stetter et al. 1982 Homonyms Methanothermus Methanothermus Stetter et al. 1982