A nearly complete Tyrannosaurus rex fossil, known as Gus and dated to approximately 67 million years ago, is set to be auctioned at Sotheby’s in New York, potentially becoming the most expensive dinosaur fossil ever sold. The specimen carries an estimated value of $20 million to $30 million, with online bids reportedly reaching $19 million ahead of the sale.
The auction underscores a growing market among high-net-worth collectors for scientifically and culturally significant fossils. “People buy fossils because they have a curiosity for things that are super-historically, culturally, and scientifically important,” said Cassandra Hatton, Sotheby’s global head of science and natural history. Celebrities such as Nicolas Cage, Russell Crowe, and Leonardo DiCaprio have previously purchased dinosaur bones, with Cage and DiCaprio notably competing in 2007 over a Tyrannosaurus bataar skull.
However, the private sale of dinosaur fossils remains controversial within the paleontological community. Advocates argue that the high prices and publicity help to generate funding and interest in the field. Critics, however, express concerns over the preservation and accessibility of specimens once they enter private hands. Stuart Sumida, president of the Society of Vertebrate Paleontology, warned that escalating auction prices put many museums out of reach for acquiring premier fossils. He cautioned that this trend “undermines their mission to preserve Earth’s history and limits access for researchers and the public.”
Legal approaches to fossil ownership vary internationally. In the United States and the United Kingdom, fossils typically belong to the landowner and can be sold privately. It is common for landowners in fossil-rich areas to grant licenses to collectors or hunters for excavation rights. By contrast, countries such as China, Mongolia, and Argentina have strict regulations prohibiting the export of fossils to protect their scientific heritage.
As Gus goes to auction, the debate continues over balancing private collecting, scientific research, and public access to invaluable records of prehistoric life.