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Re: Addendum (Re: LATE SURVIVING CYNODONT)
In a message dated 97-06-10 14:41:32 EDT, Pieter.Depuydt@rug.ac.be writes:
<< platypus and the marsupials shear a more recent
common ancestor than each with placental mammals. >>
So egg-laying was lost >twice< in Mammalia, once above platypus in
platypus+marsupial clade, and once more (convergently) in placental clade?
And--marsupial birth mode is not a stage in the evolution of the placental
birth mode?