Figure 4 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution

Figure 4. Reconstruction of the skull of Trachytherus alloxus, ventral view, from MNHN-BOL-V 006355, SAL 279, SAL 237 and SAL 7. Glenoid articular facets are delimited by dotted lines. Scale bar = 1 cm.Published as part of Billet, Guillaume, Muizon, Christian De & Quispe, Bernardino Mamani, 2008, Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution, pp. 153-200 in Zoological Journal of the Linnean Society 152 (1) on page 160, DOI: 10.1111/j.1096-3642.2007.00388.x, http://zenodo.org/record/544726