Fossil faeces of the bone-crushing archosaur Smok, with a Smok reconstruction in the background. Martin Qvarnström, researcher, Department of Organismal Biology, Uppsala University Grzegorz ...

A 205-million-year-old fossil, hidden in a museum, has been identified as the oldest modern lizard, triggering a significant ...

The Museum's crocodylomorph and early archosaur collections include an estimated 5,000 specimens ... Specimens include: The collections include a large number of foreign specimens from parts of Europe ...

Previously, a group of researchers who studied the first fossil of the creature, or holotype, concluded that it was an archosaur, part of a group that includes the extinct dinosaurs and pterosaurs ...

open image in gallery This photo provided by Grzegorz Niedzwiedzki shows fossilised poop from an archosaur, a meat-eating reptile, seen in Uppsala, Sweden, on Nov. 7, 2024 (AP) Feces fossils are ...