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What ever happened (evolutionarily) to the spikes on the stegasaurus tail?
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September 9th, 2008
Any living reptiles have weapons on their tails? Are there any other dinosaurs that used to have them? Seems weird that there doesn’t exist a whole evolutionary line of reptiles with spiky tails. I mean carrying that weight around is a pretty serious cost. For those things to have grown stega-size, they must have been around for a long time on stega-ancestors, no?
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