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On 4/6/06, Tim Williams <firstname.lastname@example.org> wrote:
> Haha! Therein lies the rub. Although all of these groups returned to the
> water, none of them reverted back to the exact morphology of a fish, or even
> a basal sarcopterygian. Too much has happened for that, in terms of
> morphological change within these lineages.
Okay, fair enough. Although the polydactylous fins of ichthyosaurs do
I suppose it depends on exactly what one means by "body plan" (an
irritatingly imprecise term).
> I've heard whales must leap out of
> the water in order for sperm exchange to occur.
The Dinosauricon: http://dino.lm.com
Parry & Carney: http://parryandcarney.com