Discover the fossilized remains of a young Cryodrakon pterosaur in Alberta, revealing a deadly encounter with a crocodile.
The fossil, examined under a microscope and with micro-CT scans, has a conical puncture a sixth of an inch (4 mm) wide that ...
About 76 million years ago, a juvenile of one of the largest flying creatures in Earth's history, called Cryodrakon boreas, ...
The researchers noted that the puncture mark does not match the shape of the teeth of dinosaur predators in this region at the time, such as the Tyrannosaurus relatives Gorgosaurus and Daspletosaurus.