Methanobacterium espanolae Patel et al. 1990 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanobacterium species Methanobacterium espanolae Name Homonyms Methanobacterium espanolae Methanobacterium espanolae Patel et al. 1990