Methanothrix Dataset NCBI Taxonomy Rank GENUS Classification phylum Euryarchaeota class Methanomicrobia order Methanotrichales family Methanotrichaceae genus Methanothrix Name Synonyms Methanisaeta Methanosaeta Methanosaeta Patel and Sprott 1990 Methanothrix Huser et al. 1983 Homonyms Methanothrix Methanothrix Huser et al. 1983