| 11. | The skull preserves an antorbital fenestra, or opening in front of the eyes.
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| 12. | The specimens can be compared only in the area surrounding the right antorbital fenestra.
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| 13. | Compared to " Ornithomimus ", the antorbital fenestra is proportionally shorter.
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| 14. | One of these is a large triangular antorbital fenestra in the side of the snout.
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| 15. | An interantorbital channel, connecting the antorbital fenestrae at each skull side, is lacking.
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| 16. | The antorbital fenestra houses a paranasal sinus that is confluent with the adjacent nasal capsule.
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| 17. | The teeth are located entirely anterior to the antorbital fenestra and the snout is especially broad.
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| 18. | Systematically, the presence of the antorbital fenestra is considered a synapomorphy that unites tetanuran theropods as a clade.
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| 19. | The depression in which the antorbital fenestra is located, has a front end in the form of a lobe.
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| 20. | Neosauropods display a large opening in the skull located ventral to the antorbital fenestra, known as the preantorbital fenestra.
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