Methanogenium aggregans Ollivier et al. 1985 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanocorpusculaceae genus Methanocorpusculum species Methanocorpusculum aggregans Name Homonyms Methanogenium aggregans Methanogenium aggregans Ollivier et al. 1985