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Re: new dinosaurs and 16 Foot Man Eating Croc Caught In Uganda
--- David Marjanovic <firstname.lastname@example.org> wrote:
> > I'd expect the more advanced types
> > to supplant the basal ones, just like in the west.
> Why do you think they had the same niche?
Dryptosaurus was fairly large, maybe 7m, and I
assume hadrosaurs were the principal prey for any top
predator in the east. There apparently were no large
ceratopsids or sauropods.
> *Dryptosaurus* retained an
> extra-large thumb claw. It clearly did something
> that tyrannosaurids didn't
Maybe it relied on its manual claws to catch and
kill hadrosaurs whereas tyrannosaurs relied on their
> That's why "advanced" tends to be a thinking
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