Treponema pallidum (Schaudinn & Hoffmann, 1905) Schaudinn, 1905 Dataset Rank SPECIES Classification kingdom Bacteria class Spirochaetia order Treponematales family Treponemataceae genus Treponema species Treponema pallidum Name Homonyms Treponema pallidum (Schaudinn & Hoffmann, 1905) Schaudinn, 1905