Age of the Yixian

[smithjb@sas.upenn.edu (Joshua Smith)]

Jerry D. Harris wrote:
> 
>         Apparently the Yixian beds interfinger with marine beds quite some
> distance from the bird quarries; those marine beds have a
> characteristically Early Cretaceous marine fauna in them.  Details are in
> the works (though not by me).
> 
        Quite some distance, yeah.  Like out of Liaoning Province.


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