Edmontosaurus skull with embedded tyrannosaurus tooth reveals ancient predator-prey encounter
The Edmontosaurus skull MOR 1627, found in 2005 in Montana's Hell Creek Formation, contains an embedded Tyrannosaurus tooth with no healing in the bone.
The Edmontosaurus skull MOR 1627, found in 2005 in Montana's Hell Creek Formation, contains an embedded Tyrannosaurus tooth with no healing in the bone.
The Tyrannosaurus rex skeleton Gus, 61 percent complete by bone count, is being auctioned at Sotheby's with an estimate of $20-30 million.