Serpulina innocens

Serpulina innocens, formerly known as Serpula innocens (this is a fungal genus) and formerly as Treponema innocens is a species of bacteria. The other species in this genus is Serpulina hyodysenteriae. Both species however are classified as belonging to the genus Brachyspira, together with Brachyspira pilosicoli. It is thought to be a commensal bacteria.