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Spinosaurus was thought to have lived from 106 to 93.6 Million years ago.

This was in the Albian Age(112 - 99.6Ma) and Cenomanian Age(99.6 - 93.6Ma) of the Cretaceous Period(145.5 - 65.5Ma).

They spanned the end of the Lower Cretaceous Epoch(145.5 - 99.6Ma) and the start of the Upper Cretaceous Epoch(99.6 - 65.5Ma). This was in the Mesozoic Era(251 - 65.5Ma) which was part of the Phanerozoic Eon(542Ma - Now).

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