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Re: Oviraptorosaur tail forms and functions

> However, I wonder if the tail was a little 'over-engineered' for display
> purposes alone.

I agree, but...

> Perhaps the tail was used as a weapon instead, and swung
> side-to-side to clobber any predators that came too close.

In that case I'd expect it to be more like in ankylosaurids: with an elongate, 
stiff "handle" and an actual club instead of a mere pygostyle.