Dinosaur Discovery Carcharodontosaurus; The Scary 'Shark Toothed Lizard' Bigger Than a T-Rex Posted: April 23, 2025 | Last updated: April 23, 2025 In today's video, we will be examining the life ...

An ancient shark species once swam in the rivers of present-day South Dakota, researchers reported yesterday (January 21) in the Journal of Paleontology. The fossils came from the Hell Creek Formation ...