This video examines how Mosasaurus compared to other marine predators of its time. Using visual segments from the clip, it ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mosasaurs went extinct 65.5 million years ago in the same mass extinction event that wiped out ...

Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dinosaur Train is available to stream on pbs.org and the ...

There's a giant, vicious lizard monster lurking in the ocean. It's more massive than any creature that exists today. Say hello to the modern-day Mosasaurus. This creature went extinct 66 million years ...