Treponema pallidum
Scientific classification
Kingdom:Bacteria
Phylum:Spirochaete
Class:Schizomycetes
Order: Spirochaetales
Family:Spirochaetaceae
Genus:Treponema
Species:pallidum
Binomial name
Treponema pallidum
Treponema pallidum is a spirochaete bacterium.

There are at least three known subspecies, T. pallidum pallidum, which causes syphilis; T. pallidum pertenue, which causes yaws; and T. pallidum endemicum, which causes bejel.

In the July 17, 1998 issue of the journal Science, a group of biologists reported how they sequenced the genome of T. pallidum.