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Re: Tyrant stuff (no longer ranting) (was RE: Rant (was RE: Details on SVP 20...

In a message dated 11/10/02 3:11:44 AM Pacific Standard Time, 
msdonovan66@hotmail.com writes:

<< Habitat
 >differences between the two continents may have rendered it difficult for
 >ceratopsids to become established in Asia

Yeah, yeah. This and that prevented this and that. This is handwaving, 
period. Why not look more seriously at the idea that there was no land 
connection across the Bering region for circa 20 million years, before 
concocting all kinds of explanation to justify cladograms that could well a 
priori be flawed?