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  1. I am new to collecting meg teeth so I hope my question is not “dumb.” Are the tooth cusps on a C. chubutensis vestigial structures from the earlier three pronged tooth like on O. obliquus? I read a physics article about how the megs tooth serration evolves from the smaller prong teeth getting sharks caught on larger prey causing them damage. Did the improved serration as the sharks evolved to be larger lead adult C. megladon adults not having cusps at all? I hope the question makes sense.
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