The Champsosaurus was a crocodilelike creature that about 55 to 65 million years ago inhabited a shallow sea that extended across central and Eastern Montana.

When we think of the prehistoric world of dinosaurs, we often forget that they shared their habitat with numerous other fascinating creatures. Among these were many remarkable reptiles that have their ...

Object Details Author Acorn, John 1958- Royal Tyrrell Museum of Palaeontology Notes Co-published by: University of Alberta. "Based on the radio series "Deep Alberta", broadcast on CKUA Radio and ...