It is uncertain if the Stygimoloch was infact a valid taxon seperate from the Pachycephalosaurus or just simply a different species or sub-adult of the Pachycephalosaurus. Along with the Dracorex, which is often thought to have been a young Pachycephalosaurs and not a seperate genus as well, these creatures and their validity and relation to one another has been hotly debated for years in the paleontological community.
This page was last edited on 25 October 2020, at 14:04.
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