| 11. | Significant use of tortoise plastrons does not appear until the Shang culture sites.
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| 12. | The plastron is reddish brown to black, sometimes with blotches of yellow.
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| 13. | In juveniles, the plastron is a uniform yellow.
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| 14. | Uniquely, Pelomedusa does not have a hinged plastron ( lower shell ).
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| 15. | The front and back of the plastron are connected by a flexible hinge.
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| 16. | The plastron is small, with only one hinge which is located anteriorly.
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| 17. | The posterior margin of the plastron terminates in a V-shaped notch.
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| 18. | The plastrons of hatchlings are dull gray to brown.
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| 19. | The issue is it ruins the classical " look " of the plastron.
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| 20. | They are not fused into a real plastron.
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