Order Rodentia - Suborder Hystricognathi Author Charles A. Woods text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 771 806 book chapter http://doi.org/10.5281/zenodo.7353083 1-56098-217-9 7353083 Family Petromuridae Tullberg, 1899 . Ueber das System der Nagethiere, p. 147 . SYNONYMS: Petromyidae . COMMENTS: Swanepoel et al. (1980: 161) employed Petromuridae instead of Petromyidae for this family (see Petromus ). The group had an elaborate Tertiary radiation composed of at least two subfamilies and seven known genera.