necropsobacter massiliensis necropsobacter massiliensis necropsobacter massiliensis is a gram-negative and non-motile bacterium from the genus of necropsobacter which has been isolated from a cervical abscess from a senegalese boy from dakar in senegal. necropsobacter massiliensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pasteurellales family: pasteurellaceae genus: necropsobacter species: n. massiliensis binomial name necropsobacter massiliensislo et al. 2015 type strain csur p3511, dsm 27814, ff6 synonyms pasteurella massiliensis