"Our results show that the shape of shark teeth changes gradually and subtly during the shark's life: The teeth become larger on the one hand and more complex on the other" , Türtscher says. As such ...

Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, it is easy to imagine just how enormous these ancient sharks were. However, there is ...

From embryo to turtle cracker: a team led by palaeobiologist Julia Türtscher from the University of Vienna studied the multiple changes in tooth shape in the tiger shark. The study, recently published ...