cupriavidus nantongensis cupriavidus nantongensis cupriavidus nantongensis is a gram-negative, chlorpyrifos-degrading and aerobic bacterium from the genus of cupriavidus which has been isolated from sludge from nantong in china. cupriavidus nantongensis scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: burkholderiaceae genus: cupriavidus species: c. nantongensis binomial name cupriavidus nantongensissun et al. 2016 type strain kctc 42909, lmg 29218, strain x1