ferribacterium limneticum ferribacterium limneticum ferribacterium limneticum is a gram negative, obligately anaerobe, fe(iii)-reducing, motil bacterium from the genus of azonexus which was isolated from mining impacted lake sediments. ferribacterium limneticum scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: ferribacterium species: f. limneticumcummings et al. 2000 binomial name ferribacterium limneticumcummings et al. 2000 type strain atcc 700589, cda-1