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Fig. 21. Cotylosaur skull: Seymouria. After Watson. A, from below. Two thirds natural size. B, occipital view. Two thirds natural size.
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Page:The Osteology of the Reptiles.pdf/53
Fig. 21. Cotylosaur skull: Seymouria. After Watson. A, from below. Two thirds natural size. B, occipital view. Two thirds natural size.
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