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Re: (fwd) Mammals as a cause of Dinosaur extinction
Dinogeorge wrote: >But
>without the functional, grasping forelimbs, such flightless avians were no
>longer theropod dinosaurs. So, after serving as dinosaur food for two-thirds
>of the Mesozoic Era, mammals managed to gain some measure of revenge.
Not disagreeing with what you are saying in general, but didn't the
Phorusrhacids ("Fear Cranes", right?) actually have "wings" that had
reverted into functional, three-clawed forelimbs? Thereby greatly muddying
the dinosaur/bird distinction (as if it wasn't enough already)?