Question 1

How do you say Dollosaurus?

Accepted Answer

Dollosaurus is pronounced DOL-oh-SOR-us. Break it into three parts: DOL, like the first part of the word dollar, then OH, then SOR-us, which rhymes with chorus. Put the stress on the first syllable: DOL-oh-SOR-us. A good memory trick is to think: DOLLAR-oh-SOAR-us, like it soared through the ancient sea.

Question 2

What does Dollosaurus mean?

Accepted Answer

Dollosaurus means Dollo's lizard. The first part of the name honors Louis Dollo, a famous Belgian paleontologist from the 1800s and early 1900s who did groundbreaking research on mosasaurs. The second part, saurus, comes from the ancient Greek word for lizard. So when you say Dollosaurus, you are actually saying the name of a real scientist every time.

Question 3

Was Dollosaurus a dinosaur?

Accepted Answer

No, Dollosaurus was not a dinosaur at all. It was a mosasaur, which is a type of marine lizard. Mosasaurs are actually more closely related to modern monitor lizards and snakes than they are to any dinosaur. They evolved from land-living lizard ancestors and gradually adapted to life in the sea, developing flippers and a powerful swimming tail while dinosaurs were still ruling the land.

Question 4

How big was Dollosaurus?

Accepted Answer

Dollosaurus was a large predator, estimated to have reached around 20 to 26 feet in length, roughly the same as two family cars parked end to end. It likely weighed somewhere between 2,000 and 4,000 pounds. As a member of the Mosasaurinae subfamily, it was built on a similar body plan to the massive Mosasaurus, making it one of the bigger predators in its ancient European sea.

Question 5

Where did Dollosaurus live?

Accepted Answer

Dollosaurus lived in the ancient seas that once covered parts of modern-day Europe. Fossils have been found in Russia, Sweden, and Ukraine, three countries that were all submerged under a warm shallow sea during the Late Cretaceous period. This wide geographic range shows that Dollosaurus was a capable swimmer that could travel large distances through the open ocean.

Question 6

When did Dollosaurus live?

Accepted Answer

According to the Paleobiology Database, Dollosaurus lived from approximately 93.9 million years ago to about 61.66 million years ago. That places it firmly in the Late Cretaceous period, swimming in ancient seas at the same time dinosaurs like T. rex and Triceratops were walking the land. Its recorded range extending past the 66-million-year extinction event is something scientists are still investigating.

Question 7

What did Dollosaurus eat?

Accepted Answer

As a large member of the Mosasaurinae subfamily, Dollosaurus was almost certainly a carnivore. It would have hunted fish, squid, ammonites, sea turtles, and possibly other smaller marine reptiles. Its strong jaws and sharp teeth were built for gripping and crushing prey. Like all mosasaurs, it was a top predator in its ecosystem and probably had very few natural enemies once it reached full adult size.

Question 8

Is Dollosaurus related to the Mosasaurus in Jurassic World?

Accepted Answer

Yes, Dollosaurus and the famous Mosasaurus from the Jurassic World movies are close relatives. Both belong to the Mosasaurinae subfamily, which means they share a common ancestor and similar body plans. The Jurassic World Mosasaurus is depicted as enormous and living in a theme park lagoon. Real mosasaurs like Dollosaurus and Mosasaurus were genuinely impressive ocean predators, though scientists debate whether real mosasaurs were quite as dramatic as Hollywood portrays them.

Dollosaurus Pronunciation

Dollosaurus Picture

What does Dollosaurus mean?

Name Roots

Fun Facts

Learn More About Dollosaurus

Related Prehistoric Creatures