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Borealosaurus

Say it: BOR-ee-ah-loh-SORE-us

Name means: “northern wind lizard”1

Ate: PlantsLong-necksEarly Cretaceous

Borealosaurus was a giant, long-necked plant-eater that lived in what is now China. It walked on four thick legs and used its long tail for balance.1 4

Lived

106 to 100 million years ago4

Early Cretaceous

Fossils found in

Liaoning province, China1 4

Food

Plants4

Length

10 m2

estimate based on fragmentary remains

Weight

5.5 tonnes3

estimate, largest known specimen

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

How big was it?

How long was it?

How heavy was it?

as heavy as 4 cars

as long as 2 cars parked in a rowas long as 56 bananas end to endabout as heavy as an elephantas heavy as 1100 watermelons

How big was Borealosaurus compared to YOU?

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cool stuff

Fun facts

Borealosaurus lived about 106 to 100 million years ago, during the Late Cretaceous period.2

Its name comes from the Greek word for the north wind, because it was found in northern China.1

Only a few bones of Borealosaurus have been found, including tail vertebrae.1

Scientists think Borealosaurus was a titanosaur, a group of huge sauropods with wide hips.1

The species name wimani honors Carl Wiman, a Swedish paleontologist who named the first dinosaur from China.1

AI-made picture of Borealosaurus — An AI-made picture of how Borealosaurus might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

you asked

Most asked questions about Borealosaurus

?What did Borealosaurus eat?

It was a plant-eater, or herbivore. It used its long neck to reach leaves and other plants.4

?How big was Borealosaurus?

Nobody knows for sure because only a few bones have been found. It was a titanosaur, a type of giant sauropod, so it was probably very large.1 4

?Is Borealosaurus a dinosaur?

Yes, it is a dinosaur. It was a titanosaurian sauropod dinosaur that lived in the Late Cretaceous period.1

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For dino experts

Scientific name: Borealosaurus
Named by: You et al. 20044
Group: Long-necks
Family / clade: Titanosauria4
Classification: Sauropodomorpha > Sauropoda > Titanosauria > Macronaria4
Age of the rocks: 106 to 100 million years (Albian)4
Rock formations: Sunjiawan4
Countries: China4
Fossil records: 1 in the Paleobiology Database4
Discovery: Borealosaurus was named in 2004 by a team of scientists including Hailu You and Qiang Ji. The fossils were found in the Sunjiawan Formation in Liaoning, China.1 4
Still debated: Scientists are not sure whether Borealosaurus was closely related to the Mongolian dinosaur Opisthocoelicaudia or was a more primitive titanosaur.1

Where the facts come from

Borealosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Borealosaurus wimani | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Borealosaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

Every fact on this page has a number that points to its source. If we got something wrong, sorry, we are dino fans, not a science journal. Tell us at [email protected] and we will fix it.

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