"Microspironema pallidum" (Schaudinn and Hoffmann 1905) Stiles and Pfender 1905 Dataset NCBI Taxonomy Classification phylum Spirochaetota class Spirochaetia order Spirochaetales family Treponemataceae genus Treponema species Treponema pallidum Name Homonyms Microspironema pallidum "Microspironema pallidum" (Schaudinn and Hoffmann 1905) Stiles and Pfender 1905