leptospira wolbachii leptospira wolbachii leptospira wolbachii is a saprophytic species of leptospira. leptospira wolbachii scientific classification domain: bacteria phylum: spirochaetota class: spirochaetia order: leptospirales family: leptospiraceae genus: leptospira species: l. wolbachii binomial name leptospira wolbachiiyasuda et al., 1987