Fig. 6 in Morphology of the Braincase in the Cretaceous Hybodont Shark Tribodus limae (Chondrichthyes: Elasmobranchii), Based on CT Scanning

Fig. 6. Transverse CT scan slices of the Tribodus limae braincase, AMNH 13958. Ethmoidal region. A, slice 57, through the olfactory chamber and precerebral fontanelle; B, slice 72, through the precerebral fontanelle showing the ventral exit of the orbitonasal canal; C, slice 83, through the precerebral fontanelle showing the orbitonasal canal traveling through the cartilage; D, E, F, slices 87, 89, and 94, respectively, through the precerebral fontanelle showing the course of the profundus nerve and orbitonasal canal; G, slice 100, at the level of the anterior cerebral canal; H, slice 159, through the anterior of the orbit at the level of the trochlear nerve and median ventral basicranial process. No scale.