| Shark chondrocranium
1. rostrum 2. nasal capsule 3. optic foramen (II) 4. superficial opthalmic foramina (V-VII) 5. otic capsule 6. occipital condyles 7. carotid canal 8. basal plate 9. endolymphatic fossa 10. foramen magnum 11. glossopharyngeal foramen (IX) 12. vagus foramen (X) |
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