Methanonatronarchaeum Sorokin et al. 2018 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanonatronarchaeia order Methanonatronarchaeales family Methanonatronarchaeaceae genus Methanonatronarchaeum Name Homonyms Methanonatronarchaeum Methanonatronarchaeum Sorokin et al. 2018