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