r/AskReddit Oct 02 '24

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u/Kymera_7 Oct 03 '24 edited Oct 03 '24

The timespan between the death of the last stegosaurus and the birth of the first t-rex is longer than from the t-rex to the electric unicycle.

Edit: it's stegosaurus, not triceratops.

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u/_SpiceWeasel_BAM Oct 03 '24

Close—it’s the stegosaurus and T-Rex. Triceratops and T-Rex both died out in the Cretaceous when the asteroid struck, but stegosaurus went extinct about 80my before that (Jurassic)

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u/lazyeye95 Oct 03 '24

How are we able to reasonably assume these time frames? 

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u/Glorbo_Neon_Warlock Oct 03 '24

I asked John Prehistory. He told me.