



Tyrannosaurus rex is often depicted with its fearsome jaws wide open, but few studies have looked at how wide the Cretaceous predator’s gape could actually be.
Full content for EARTH is available to subscribers. If you would like to gain access to the full version of this article, as well as all EARTH content, please subscribe today.
If you are connecting using a Library (IP-based) Subscription, please access full issues of the magazine through our Library Access portal.