Methanosphaera cuniculi Biavati et al. 1990 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanosphaera species Methanosphaera cuniculi Name Homonyms Methanosphaera cuniculi Methanosphaera cuniculi Biavati et al. 1990