prehistoric creatures
dinosaurs
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ceratopsians
illustrations and artwork based on ceratopsian dinosaurs, such as triceratops.
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ornithopods
illustrations and artwork based on ornithopod dinosaurs such as hadrosaurs and iguanodontids.
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pachycephalosaurians
illustrations and artwork of pachycephalosaurian dinosaurs such as pachycephalosaurus.
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thyreophorans
illustrations and artwork based on thyreophoran dinosaurs such as stegosaurus and ankylosaurus.
other creatures
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marine reptiles
illustrations and artwork based on extinct marine reptiles, such as ichthyosaurs and...
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pterosaurs
illustrations and artwork based on the flying reptiles - pterosaurs.