Petromuridae
Petromuridae is a family of hystricognath rodents that contains the dassie rat of southwestern Africa, the only extant member of this group.
The genus Petromus contains a couple of extinct species, and additionally there are fossil genera formerly of the family Thryonomyidae that were found to belong to this family instead; Apodecter, Tufamys and two species of Paraphiomys which have yet to be placed in their own genus.