Methanobacterium thermophilum Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanothermobacter species Methanothermobacter thermophilus Name Homonyms Methanobacterium thermophilum Methanobacterium thermophilum Laurinavichus et al. 1990