"Brachyspira muris" Backhans et al. 2010 Dataset NCBI Taxonomy Classification phylum Spirochaetota class Spirochaetia order Brachyspirales family Brachyspiraceae genus Brachyspira species Brachyspira muris Name Homonyms Brachyspira muris "Brachyspira muris" Backhans et al. 2010