At https://phys.org/print468672339.html … Tyrannosaurus Rex had a flexible skull structure. Different bone modules led to a highly flexible muzzle that aided in tearing apart prey animals. The study is published in Scientific Reports (February 2019). The name means something like tyrant lizard – named because of his impressive teeth and head. See DOI:10.1038/s41598-018-37978-8
See www.nature.com/articles/s41598-018-37976-8
