Re: Triebold pachy (any pubs?)

[NJPharris@aol.com]

In a message dated 2/25/00 12:34:12 PM Pacific Standard Time, 
qilongia@yahoo.com writes:

>  You are of course refering to Sandy, the most
>  complete *Pachycephalosaurus*? Found in the Hell
>  Creek, this skull and skeleton have apparently been
>  ascribed to *Pachycephalosaurus*, though it was
>  formerly considered *Stygimoloch* based on the caudal
>  squamosal "horns."

So _Pachycephalosaurus_ has long cranial spikes, too?  What distinguishes 
Sandy from _Stygimoloch_ (broader dome?)  How do we know this is _Pachy_ and 
not some third genus?

--Nick P.