Distribution map of the <i><a href="https://en.wikipedia.org/wiki/Parasaurolophus" class="extiw" title="en:Parasaurolophus">Parasaurolophus</a> during <a href="//commons.wikimedia.org/wiki/Cretaceous" class="mw-redirect" title="Cretaceous">Late Cretaceous Period</a></i>
<a href="//commons.wikimedia.org/wiki/User:Gretaz" title="User:Gretaz">Gretaz</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>