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Re: supersaurus tail thingy

Occam's. While pest control seems a probable use for tails in general during the Mesozoic, it's unlikely that diplodocid tails in particular were derived for this purpose. Large mammals seem to do a perfectly fine job without whiplash endings. Lengthening the tail might be viewed as increasing your "Raid-ability" factor, but reducing vertebral processes would probably hinder your attempts, since you would lose the fine control needed to flick at a particular flank covered with insects.

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