Methanococcus halophilus Zhilina 1984 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Methanohalophilus species Methanohalophilus halophilus Name Homonyms Methanococcus halophilus Zhilina 1984 Methanococcus halophilus