Methanothrix Huser et al., 1983 Dataset Integrated Taxonomic Information System (ITIS) Rank GENUS Classification kingdom Archaea phylum Euryarchaeota class Methanomicrobia order Methanosarcinales genus Methanothrix Name Synonyms Methanosaeta Patel & Sprott, 1990 Methanosaeta harundinacea Ma et al., 2006 Homonyms Methanothrix Huser et al., 1983