Parasaurolophus cyrtocristatus skeleton, Field Museum.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/8193351@N03">Lisa Andres</a> from Riverside, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/8193351@N03/1345351768/">Field Museum Dinosaur</a>