afipia massiliensis afipia massiliensis afipia massiliensis is a species of the afipia bacterial genus. it is a gram-negative, oxidase-positive rod in the alpha-2 subgroup of the class proteobacteria. it is motile by means of a single flagellum. its type strain is 34633t (=cip 107022t =ccug 45153t). afipia massiliensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: nitrobacteraceae genus: afipia species: afipia massiliensisla scola et al. 2002