Methanococcus vulcanius Jeanthon et al., 1999 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 49::588 Classification genus Methanocaldococcus species Methanocaldococcus vulcanius Name Homonyms Methanococcus vulcanius Jeanthon et al., 1999