BioStor
 | Variability of rodent incisor enamel as viewed in thin section, and the microstructure of the enamel in fossil and recent rodent groups J H Wahlert (1968) Breviora 309: 1-18 |
 | Protoptychus, a hystricomorphous rodent from the late Eocene of North America J H Wahlert (1973) Breviora 419: 1-14 |