Methanococcus vannielii Stadtman & Barker, 1951 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 30::318 Classification genus Methanococcus species Methanococcus vannielii Name Homonyms Methanococcus vannielii Stadtman & Barker, 1951