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>ok, we probably been over this (on
the list) in the past-but...
>why the 'most recent common ancestor of
>Why not Igunanodon as
it's historical connection as first named
picked from a hat or was there a better reason?
I think it was only because
Triceratops was the first one to be proposed. It may also be because it
is extremely popular, or because ceratopians are often but at the extremity of a
cladogram (I know this has no importance).