oxalobacter vibrioformis oxalobacter vibrioformis oxalobacter vibrioformis is an oxalate-degrading anaerobic bacterium that was isolated from anoxic freshwater sediments. o. vibrioformis is a gram-negative, non-spore-forming, motile, vibrioid rod which belongs to the genus oxalobacter. o. vibrioformis uses oxalate and oxamate as its sole source of energy and acetate as its main source of carbon. oxalobacter vibrioformis scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: oxalobacter species: o. vibriformis binomial name oxalobacter vibriformisdehning & schink type strain oxalobacter vibrioformis woox3t