Rickettsia tsutsugamushi (Hayashi, 1920) Ogata, 1931 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 30::358 Classification genus Orientia species Orientia tsutsugamushi Name Homonyms Rickettsia tsutsugamushi (Hayashi, 1920) Ogata, 1931