Halomethanococcus Yu and Kawamura 1988 Dataset NCBI Taxonomy Classification kingdom Methanobacteriati phylum Methanobacteriota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Halomethanococcus Name Homonyms Halomethanococcus Halomethanococcus Yu and Kawamura 1988