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Re: Addendum (Re: LATE SURVIVING CYNODONT)
In a message dated 97-06-10 14:41:34 EDT, Pieter.Depuydt@rug.ac.be writes:
> This also suggests that the view of monotremes as being
> 'primitive' as reflecting the ancestral state and not having
> developed the 'advanced' features of the other mammals
> should give way to the vision that considers the characteristics of the
> Australian mammals as adaptations...
I would interpret this, if true, to be evidence that viviparity evolved (at
least) twice in mammals: once in marsupials and once in placentals.
Nick Pharris