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Re: no marine dinos/no viviparous dinos.

At 12.57 04/01/02 +0100, you wrote: 
> >but even in
> >this case, the calcification of the egg shell is reduced.

I thought all squamate eggs, except those of geckos, had a soft shell
without calcium carbonate?

AFAIK, in the previously quoted _Lacerta vivipara_ there is a partial impregnation of the shell by calcium salts.

                                        Silvio Renesto


_
"The Wise Man is like a bamboo tree;
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                                                Lao Tzu

Silvio Renesto

Dipartimento di Scienze della Terra
Università degli Studi di Milano
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