This species belongs to one of the most ancient branches of the shark lineage. It dates back around 80 million years, making ...

The Cretaceous period witnessed a remarkable diversification of marine vertebrates, a process that has captivated palaeontologists for decades. Fossil evidence from numerous global coastal and ...

Unlike dinosaurs, which disappeared around 66 million years ago due to a mass extinction event, sharks have survived multiple ...

Roughly 80 million years ago in the shallow inland sea that once split North America into eastern and western land masses, a fearsome 33-foot-long (10-meter-long) marine reptile with powerful jaws and ...