Sauropsida
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What links here
Synapsida
Transitional fossil
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Zygomatic arch
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Diapsid
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Vertebrate paleontology
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Amniote
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Gnathostomata
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Palate
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Dinosaurus
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Tetrapod
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Anapsid
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Vertebrate
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Reptile
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Paraphyly
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Mammal
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Geologic time scale
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Extinction event
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Chordate
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Synapsid
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