leptotrichia trevisanii leptotrichia trevisanii leptotrichia trevisanii is an aerotolerant, filamentous and non-motile bacterium from the genus of leptotrichia which has been isolated from human blood. leptotrichia trevisanii scientific classification domain: bacteria phylum: fusobacteriota class: fusobacteriia order: fusobacterales family: leptotrichiaceae genus: leptotrichia species: l. trevisanii binomial name leptotrichia trevisaniitee et al. 2002 type strain atcc 700907, dsm 22070, strain wee tee 1999, lb06, lb11