rickettsia raoultii rickettsia raoultii rickettsia raoultii is a tick-borne pathogenic spotted fever group rickettsia species borne by dermacentor ticks. rickettsia raoultii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rickettsiales family: rickettsiaceae genus: rickettsia species group: spotted fever group species: r. raoultii binomial name rickettsia raoultiimediannikov et al. 2008