rickettsia africae rickettsia africae rickettsia africae is a species of rickettsia. rickettsia africae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rickettsiales family: rickettsiaceae genus: rickettsia species group: spotted fever group species: r. africae binomial name rickettsia africaekelly et al. 1996 it can cause african tick-bite fever.