Methanothermococcus okinawensis Takai et al., 2002 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Evol. Microbiol. 52::1094 Classification genus Methanothermococcus species Methanothermococcus okinawensis Name Homonyms Methanothermococcus okinawensis Takai et al., 2002