Methanoculleus oldenburgensis Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanoculleus species Methanoculleus bourgensis Name Homonyms Methanoculleus oldenburgensis Methanoculleus oldenburgensis Blotevogel et al. 1998