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Re: PACHYRHINOSAUR LINEAGE



> Can someone please clear up this simple issue: are both _Einiosaurus_ and
> _Achelousaurus_ Campanian, or is _Achelousaurus_ Maastrichtian? Thanks.

Are _Einiosaurus_ and _Achelousaurus_ the two new centrosaurines 
regarded as intermediate between _Styracosaurus_ and 
_Pachyrhinosaurus_?