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Re: Spinosaurus - the authors respond
15 m carnivores can never be common; too high up the food pyramid.
On Sun, September 21, 2014 7:52 am, Dr Ronald Orenstein wrote:
> This may be an ignorant question but: is it not true that semiaquatic
> animals are more likely, in the scheme of things, to fossilize than purely
> terrestrial ones - and if so, why is Spinosaurus so little known? Might
> it have been genuinely rare in life?
> Ronald Orenstein
> 1825 Shady Creek Court
> Mississauga, ON
> Canada L5L 3W2
Thomas R. Holtz, Jr.
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