fusobacteriaceae fusobacteriaceae the fusobacteriaceae are a family of the bacterial order fusobacteriales. fusobacteriaceae fusobacterium novum after being cultured in a thioglycollate medium scientific classification domain: bacteria phylum: fusobacteriota class: fusobacteriia order: fusobacteriales family: fusobacteriaceaestaley and whitman 2012 type genus fusobacteriumknorr 1922 genera cetobacterium fusobacterium hypnocyclicus ilyobacter propionigenium psychrilyobacter