Dating back ~1

Fe/Mn = 32±4

They are much better at living among people than wolves and have an observational learning capability which surpasses that of dogs

~67 million years ago a massive asteroid slammed into the Gulf of Mexico

minor fusion crust

Spinosaurus Dinosaur Teeth, Framed skeleton Dating back ~1Real Spinosaurus dinosaur teeth for sale! They come framed in a 4. 5" wide Riker mount and can be shipped worldwide! Each tooth is unique! These dinosaurs lived in what is now North Africa about 112 97 million years ago. Spinosaurus was one of the largest carnivorous dinosaurs! Their diet included fish, and it is believed that they were semi aquatic like a modern crocodilian! Spinosaurus had a large fin down its back, which is how it earned the name.