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Re: Fwd: Spinosaurs show semi-aquatic oxygen isotopes

That's a possibility, indeed, but even hippos and extant sirenians (=
except Hydrodamalis gigas) which are living in tropical areas have a
thick fat layer to avoid heat losses.

2010/2/6 don ohmes <d_ohmes@yahoo.com>:>
> Shallow waters can be quite warm. They might have needed the sail to _lose_ 
> heat.

Jocelyn Falconnet