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Re: DINOSAUR digest 3384
--- K and T Dykes <firstname.lastname@example.org> wrote:
> <<Mercy for them. Late Maastrichtian ones are
> unlikely to differ in this from earlier dinosaurs -
> which could wade in water and swim.>>
> A bit of paddling and swimming hardly makes for
> semi-aquatic, non-birdy dinosaurs.
In the proposed scenario of heat radiation coming from
the cloudless sky, dinosaur needs not swim to survive.
It is enough to submerge in shallow water, which will
conduct heat absorbed by the body. The same scenario
explains why crocodilians survived.
> Nevertheless, the fossil record provides evidence of
> Mesozoic burrowing and aquatic adaptations for
> mammals. I don't know of anything of the sort for
> non-birdy dinos.
Number of tracks of swimming dinosaurs were discussed
on this list few weeks ago.
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