The 210-million-year-old Smok was crushing bones like a hyena


Coprolites, or fossilized droppings, of the dinosaur-like archosaur Smok wawelski contain lots of chewed-up bone fragments. This led researchers at Uppsala University to conclude that this top predator was exploiting bones for salt and marrow, a behavior often linked to mammals but seldom to archosaurs.

https://phys.org/news/2019-01-millio...hyena.html#jCp