In 2021, scientists identified a new mosasaur species upon the discovery of a Cretaceous-period jaw with unusual teeth in a Moroccan mine. There’s only one problem—the remains may have been ...

Mosasaurs are extinct marine lizards, spectacular examples of which were first discovered in 1766 near Maastricht in the Netherlands, fueling the rise of the field of vertebrate paleontology.

Morocco is uniquely rich in mosasaur fossils, says Henry Sharpe at the University of Alberta in Canada. “Miners working in the phosphate mines come across mosasaurs all the time.” The problem ...

KAINAN, Wakayama Prefecture--A mosasaur fossil found in the mountains in the prefecture almost two decades ago has been determined to be a new genus and species that lived more than 70 million ...