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Ichthyosaurs went extinct at the end of the: Triassic Period Permian Period Jurassic Period Cretaceous Period
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Ichthyosaurs went extinct at the end of the: Triassic Period Permian Period Jurassic Period Cretaceous Period
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Nov 2, 2016
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Ichthyosaurs went extinct at the end of the:
Triassic Period
Permian Period
Jurassic Period
Cretaceous Period
Biology
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Danqing
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Cretaceous Period
. Fossils suggested that they were seen in the Mesozoic era and continue to thrive until they became extinct in the late Cretaceous with reasons still unknown.
Pooja Singh
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Nov 7, 2016
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Pooja Singh
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