Fig. 1. Skull of Nilopegamys plumbeus x 1 1/9

Fig. 1. Skull of Nilopegamys plumbeus x 1 1/9
Photographer: Osgood, Wilfred Hudson

Source: Osgood, Wilfred Hudson. 1928. A new genus of aquatic rodents from Abyssinia. Field Museum of Natural History Zoological series 12(15):185-189. Biodiversity Heritage Library: http://biodiversitylibrary.org/page/2827398