Methanocalculus pumilus Mori et al., 2000 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Evol. Microbiol. 50::1728 Classification genus Methanocalculus species Methanocalculus pumilus Name Homonyms Methanocalculus pumilus Mori et al., 2000