Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Spirochaetae (Spirochaete)
Spirochaetes
Spirochaetales (Spirochetes)
Spirochaetaceae
Treponem (Treponema)
Treponema pallidum
Treponema pallidum pallidum (Treponema pallidum subsp. pallidum)
Treponema pallidum subsp. pallidum str. nichols (21384756)