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

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

from Fossils News -- ScienceDaily http://bit.ly/2DIQs7v

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