"Methanobacterium curvum" Sun et al. 2001 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanobacterium species Methanobacterium curvum Name Homonyms Methanobacterium curvum 'Methanobacterium curvum' "Methanobacterium curvum" Sun et al. 2001