pasteurella stomatis pasteurella stomatis pasteurella stomatis, is a gram-negative, nonmotile, penicillin-sensitive coccobacillus of the family pasteurellaceae. bacteria from this family cause zoonotic infections in humans. these infections manifest themselves as skin or soft tissue infections after an animal bite. pasteurella stomatis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pasteurellales family: pasteurellaceae genus: pasteurella binomial name pasteurella stomatismutters et al. 1985