Figure 2 in A quantitative comparative analysis of the size of the frontoparietal sinuses and brain in vombatiform marsupials

Figure 2. Three-dimensional reconstructions of Diprotodon optatum (A), Zygomaturus trilobus (B), Neohelos stirtoni (C) and Propalorchestes sp. (D) showing the extent of the auditory, squamosal, parietal and frontal sinuses in blue, and brain endocast in red. Skulls are shown in dorsal (left) and lateral (right) views. Scale bars represent 10 cm. Bone is 70% transparent.