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Re: live birth
On Wed, 8 Mar 1995 AnmlPeople@aol.com wrote:
> Since apparently no sauropod eggs have been found, is it reasonable to
> postulate that perhaps sauropods gave live birth?
This has been proposed. I find it hard to imagine it evolving: it would be
necessary to go from big, calcified air-breathing eggs to much smaller ones
before ovoviviparity and then viviparity could be possible. Only then could
large size at birth re-evolve. Not a problem for most invertebrates, small
squamates and small mammal-like reptiles but only possible, I'd expect, in
the smallest dinosaurs. Does anyone else have an opinion on this?