Stegosaurus skeleton 'Apex' sells for record $44.6 million. Why is it so expensive?
At Sotheby's auction, "Apex," a nearly complete stegosaurus skeleton, brought in a record $44.6 million. It was found in Colorado and is the best-preserved and most complete stegosaurus of its size, demonstrating the importance of fossils that hav...

In Moffat County, Colorado, on private property, Apex was found in May 2022. Known for several dinosaur fossil finds, the region is situated in northwest Colorado, close to the borders of Utah and Wyoming. When the skeleton was discovered in 2023, commercial paleontologist Jason Cooper finished the excavation. The Dinosaur National Monument is situated in Moffat County as well.
Size and condition
'Apex' is 27 feet long from nose to tail and 11 feet tall. Its skeleton is made up of 319 bones. Of these, 254 are fossils; the remaining ones are either sculpted or 3D manufactured. The gender of Apex remains unknown. The overall size and bone development of the skeleton suggested that it belonged to a massive, robust adult, according to Sotheby's. Its mature age is indicated by the presence of arthritis, especially in the sacral vertebrae fusion. The skeleton exhibits several intriguing diseases and no evidence of post-mortem scavenging or injuries associated with conflict.Not every dinosaur has sold for a million dollars, including Apex. The skeleton of a Tyrannosaurus rex known as "Sue" is currently on exhibit at the Field Museum of Natural History in Chicago and sold for $8.4 million at auction in 1997. Sue was the most expensive fossil until another T. rex skeleton, named "Stan," went for $31.8 million in October 2020. When the new Abu Dhabi natural history museum opens its doors in 2025, Stan will be on display there.
FAQs
What is "Apex," and how much did it sell for at auction?"Apex" is a nearly complete stegosaurus skeleton that sold for a record $44.6 million at a Sotheby's auction, making it the most expensive fossil ever sold.
Where was the 'Apex' stegosaurus discovered?
Apex was discovered in May 2022 on private property in Moffat County, Colorado, an area known for its many dinosaur fossil finds and the Dinosaur National Monument
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