As similar fossils turned up, Mosasaurus turned out to be just the first genus of a whole group of marine reptiles—the mosasaurs. More recently, the seagoing reptile has received the Hollywood ...

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 ...

Experts have been able to identify the fossilised specimen as part of the mosasaur species, an extinct group of large marine reptiles. This aquatic predator would have lived in the Pacific Ocean ...