grimontia celer grimontia celer grimontia celer is a gram-negative bacterium species from the genus of grimontia which has been isolated from sea water. grimontia celer scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: vibrionales family: vibrionaceae genus: grimontia species: g. celer binomial name grimontia celerpujalte et al. 2016 type strain 96-237