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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