Serpulina hyodysenteriae Dataset NCBI Taxonomy Classification kingdom Pseudomonadati phylum Spirochaetota class Spirochaetia order Brachyspirales family Brachyspiraceae genus Brachyspira species Brachyspira hyodysenteriae Name Homonyms Serpulina hyodysenteriae Serpulina hyodysenteriae (Harris et al. 1972) Stanton 1992