In our timeline Prenocephale was a small Pachycephalosaurid dinosaur from Mongolia, specifically the Negmet Formation. However, in the timeline of the Newer Dinosaurs, Prenocephale will become one of the most populous dinosaur lineages in Asia, by the end of its lineages reign, expanding into Norsenia, the European Mega-Archipelago, and Mediterania. however, in the paleocene and eocene, it is confined to Asia, diversifying in a world reborn form ashes.
The artwork presented here is not accurate, please go look up the actual paleoart of Prenocephale.