image: 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 ...

Jan. 31 (UPI) --An archosaur species named Smok wawelski was crushing bones 140 million years before the first tyrannosaurids arrived in North America, new research says. Most dinosaurs used razor ...

Fossil droppings of the Smok wawelski seem to contain chewed-up bone fragments, researchers have found. The Smok wawelski is in the archosaur family, who are represented today by crocodiles.

A skeletal restoration of Smok wawelski. The black parts are missing elements of the skeleton. From Niedźwiedzki et al, 2011 Sometimes fossils aren’t what they initially seem. Back in 2008 ...