Figure 5. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution

Figure 5. A, Trachytherus alloxus, SAL 279, ventral view of the entire specimen. Scale bar = 1 cm. B, Trachytherus alloxus, SAL 279, stereographic photos showing details of the right ear region, ventral view. Scale bar = 1 cm. C, schematic representation of the right auditory region of SAL 279, ventral view. Grey areas correspond to damaged areas on the specimen.