As well as being flexible, their skeletal structure helps give some species of shark a powerful bite. Their upper jaw is not fused to their cartilaginous skull, allowing them to open their mouths very ...

T here are tons of iconic movies celebrating their 50th anniversary this year. However, in the horror genre, there's none bigger than Jaws. Steven Spielberg’s classic 1975 monst ...

“But they do have a cartilage skeleton, a shark-like skull and jaw, and at least some shark-like teeth, which were often fused together.” By the middle of the Devonian, 380 million years ago, the ...

Snapping turtle - Otic notch at back of skull allows anterior expansion of jaw muscles. ‘Modified anapsid’ condition increases power of bite. Holes arose in dermal roof, muscles pass through roof to ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...