Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...

For much of the twentieth century, sharks and large reptiles were assumed to define the upper limits of dental sharpness in the history of life. That assumption has been revised by detailed ...

Conodonts are among the first vertebrates to have evolved mineralized tooth-like structures. Among these, the so-called P₁ elements are known to have been used to break down food and display a wide ...