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Roger D Hall: Stegosaurus
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Roger D Hall: Triceratops
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Roger D Hall: Tyrannosaurus
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Roger D Hall: Velociraptor
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Roger D Hall: Coelophysis
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Roger D Hall: Archelon
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Roger D Hall: Paluxysaurus
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Roger D Hall: Saurophagnax
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Roger D Hall: Basilosaurus
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Roger D Hall: Duck-Billed Dinosaur
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Roger D Hall: Hadrosaurus foulkii