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Re: REALLY good introduction to cladistics!!
> Can you really call that a third digit on T. rex's 'hand'?
HP Brochu posted just earlier today:
"To my knowledge, the third manal metacarpal has never shown up in T.
rex - though some of the material collected last year may correct
that. It's known in other tyrannosaurids, though. [sic]"
So then what specimen did they use for the T. rex's third "finger"?
-Demetrios Vital