"Methanogenium olentangyi" Corder et al. 1983 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanoculleus species Methanoculleus bourgensis Name Homonyms Methanogenium olentangyi Methanogenium olentangyi Corder et al. 1988 "Methanogenium olentangyi" Corder et al. 1983