Methanogenium organophilum Widdel et al., 1989 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 39::93 Classification genus Methanogenium species Methanogenium organophilum Name Homonyms Methanogenium organophilum Widdel et al., 1989