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Re: No dinosaurs in Quebec, Canada?
From: Gautam Majumdar <email@example.com>
> >No known dinosaurs lived in the sea. All were land animals.
> Is there any generally agreed explanation why over their 160 MY reign
> dinosaurs did not venture to exploit the aquatic niches ?
The crocodiles got in the way? :-)
More seriously, competive exclusion from the pre-aquatic niches is
not an unreasonable hypothesis. The transition from terrestrial
to fully aquatic must, of necessity, pass through various stages
of mixed lifestyles.
The peace of God be with you.