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Smok bone-crusher from Lisowice

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Smok bone-crusher from Lisowice

Coprolites, or fossil 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.
Gerard Gierlinski
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Gerard Gierlinski
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The researchers found several crushed teeth in the fossil droppings, probably belonging to Smok wawelski itself. The teeth were crushed agains hard food items and involuntarily ingested. Credit: Gerard Gierlinski

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

Coprolites, or fossil 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.

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