cesiribacteraceae cesiribacteraceae cesiribacteraceae is a family of bacteria in the phylum bacteroidota. cesiribacteraceae scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: cesiribacteraceaegarcía-lópez et al. 2020 genera cesiribacter srinivas et al. 2011 nafulsella zhang et al. 2013