User blog comment:Dinosaurus1/I thought of something for Sinoceratops and Pachyrhinosaurus./@comment-31757904-20181013224202/@comment-31757904-20181013230614

That could explain many things. The independent Pachyrhinosaurus would be of another coloration (since it is independent and does not have the DNA of Sinoceratops), whereas the Pachyrhinosaurus with Sinoceratops DNA has the same color of the latter.