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Re: Triceratops sprawl

In a message dated 96-02-02 23:03:05 EST, pharrinj@PLU.edu (Nicholas J.
Pharris) writes:

>The numerous land connections between Asia and western North America that 
>occurred near the end of the Cretaceous (Dinogeorge notwithstanding) mean 
>that they certainly *could* have spread back into Asia.  After all, 
>protoceratopids of Asian mold show up in latest Cretaceous North 
>America.  Apparently the big ceratopids *disliked* the dry dune 
>conditions prevalent in east Asia.

Which land connections might these be? Can you cite a _geological_ reference
that describes any overland connection between eastern Asia and western North
America during the Campanian and Maastrichtian epochs across the Bering