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28-04-2017
Biology

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how old are the ceratopsian dinosaurs

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ThePlanteJessie ThePlanteJessie

28-04-2017

The frist ceratopsian species, Yinlong downsi, lived between 161.2 and 155.7 millionyears ago, and the last ceratopsian species, Triceratops prorsus, became extinct 66 million years ago. Hope that helps!

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paris4396 paris4396

16-02-2021

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