A Sotheby's New York employee demonstrates the size of a Gorgosaurus dinosaur skeleton, the first to be offered at auction, Tuesday, July 5, 2022, in New York. (AP Photo/Julia Nikhinson)

The auction house Sotheby’s plans to sell the fossilized skeleton of a dinosaur related to the famous T. rex later this month.

Gorgosaurus lived about 10 million years before T. rex in what is now the western United States and Canada.

The skeleton was found in 2018 in the American state of Montana, not far from the Canadian border.

The creature was the top meat-eater of its time during the late Cretaceous period, about 76 million years ago.

The fossil is valued between $5 and $8 million. All other known skeletons of its kind are already kept in museums around the world.

The skeleton is about 3 meters tall and 10 meters long.

Cassandra Hatton is the global head of science and popular culture for Sotheby’s. She called the fossil “unbelievable.” She said she has seen few things in her career that “inspire wonder and capture imaginations” like the Gorgosaurus skelton.

The auction is planned for July 28.

I’m Dan Friedell.

Dan Friedell adapted this story for Learning English based on a report by the Associated Press.

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Words in This Story

auction– v. a public sale at which items are sold to the people who offer to pay the most

fossil –n. something (such as a leaf, skeleton, or footprint) that is from a plant or animal which lived in ancient times and that you can see in some rocks

unbelievable – adj. used to describe something that is so good it is difficult to believe

inspire –v. to cause someone to have a feeling or emotion