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Re: Cretaceous Mass Extinction

Jonathon Woolf wrote:
> This reminds me of something I read recently: Keith Rigby claims to have
> found dinosaur fossils associated with Paleocene mammals, _in situ_, not
> reworked, in two different locales.  One is in China, the other is the
> Bug Creek deposits of Montana, North America.

> Does anyone know if this claim has been either confirmed or refuted by
> other workers?  

Eaton, Kirkland, and Doi published a paper some years back on reworked 
Cretaceous fossils in Paleos. Following Rigby and Sloan's arguments 
point by point indicates that there was a great diversity of EOCENE 
dinosaurs in North America.

Jim Kirkland