| 11. | They are positioned behind the nasal bones and in front of the frontal bones.
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| 12. | The frontal bone, situated behind the prefrontals, is very wide.
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| 13. | The "'zygomatic process of the frontal bone "'extends from the frontal bone laterally and inferiorly.
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| 14. | In 2011, an exceptionally well-preserved braincase was found, only missing the frontal bones and orbitosphenoid.
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| 15. | The frontal bones are concave between the orbital regions.
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| 16. | The volume is increased by placing the frontal bones and the supraorbital rim further forward.
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| 17. | The frontal bones form a rectangular bar that separates the eye sockets down the middle.
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| 18. | The "'zygomatic process of the frontal bone "'extends from the frontal bone laterally and inferiorly.
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| 19. | Porotic hyperostosis is characterized by porous lesions on the parietal, occipital, and sometimes frontal bones.
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| 20. | It is darker than its more northern cousins, and has a highly arched frontal bone.
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