Methanogenium bourgense Ollivier et al. 1986 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanoculleus species Methanoculleus bourgensis Name Homonyms Methanogenium bourgense Methanogenium bourgense Ollivier et al. 1986