shewanella sediminis shewanella sediminis shewanella sediminis is a hexahydro-1,3,5-trinitro-1,3,5-triazine-degrading bacterium from marine sediment. it is psychrophilic and rod-shaped, with type strain haw-eb3t (=ncimb 14036t =dsm 17055t). shewanella sediminis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: shewanellaceae genus: shewanella species: s. sediminis binomial name shewanella sediminiszhao et al. 2005