borrelia tanukii borrelia tanukii borrelia tanukii is a spirochete bacterium first isolated from specimens of ixodes tanuki, hence its name. borrelia tanukii scientific classification domain: bacteria phylum: spirochaetota class: spirochaetia order: spirochaetales family: borreliaceae genus: borrelia species: b. tanukii binomial name borrelia tanukiifukunaga et al., 1996