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