Figure 4 in Evolution and functional morphology of the frontal sinuses in Bovidae (Mammalia: Artiodactyla), and implications for the evolution of cranial pneumaticity

Figure 4. Digital reconstructions from computed tomography (CT) scan data of the skulls of Damaliscus lunatus (A–B; YPM 9586) and Antidorcas marsupialis (C–D; AMNH 233055), illustrating the frontal sinuses and related anatomy. Skulls are shown in lateral (A, C) and dorsal (B, D) views. The boxed areas indicate the region of the skull that has been rendered partially transparent in order to visualize the anatomy of the frontal sinuses. The horns have been truncated in C and D. Scale bars: 5 cm.