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Re: New Cretaceous bird and other papers
In a message dated Mon, 18 Feb 2002 7:33:27 AM Eastern Standard Time, John
Bois <firstname.lastname@example.org> writes:
> On Sun, 17 Feb 2002, David Marjanovic wrote:
> > All known birds from the Maastrichtian site on
> > Seymour Island (next to the Antarctic Peninsula) are Neornithes.
> You are saying (I think) that neornithines
> outcompeted enantiornithines in the Antarctic and (presumably) other parts
> of Gondwana. The "event", then, just greased the wheels for neos,
> facilitating their inevitable global domination a little earlier.=20
That's a fairly egregious _non sequitur_. In the absence of a K-T event, it
might well have been that "enantiornithines" (whatever those end up being)
would have dominated the north and neornithines the south, right up to the
present day--much like marsupials and placentals. We'll never know.