Methanococcoides methylutens Sowers and Ferry 1985 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanosarcinales family Methanosarcinaceae genus Methanococcoides species Methanococcoides methylutens Name Homonyms Methanococcoides methylutens Methanococcoides methylutens Sowers and Ferry 1985