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Re: [RE: Spinosaur crests & sails]
I have to second Tracy on this issue: the shape of the type lower jaw of _S.
indicates a shorter and taller skull than in _S. maroccanus_ . It seems the
two species lived at the same time and competed (?) - must have been a lot of
fish in the shallow waters at the time - consider the pterosaurs and the
crocodiles as competitors, too.
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