Abstract illustration of a Tyrannosaurus rex skeleton in a threatening pose, rendered in geometric shapes and earth tones.
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New York · United States

Tyrannosaurus Rex 'Gus' Sets New Auction Record at Sotheby's

The 67-million-year-old skeleton fetches $50.1m, surpassing the previous high set by a Stegosaurus in 2024.

A Record-Breaking Sale

This morning (14 July), Sotheby's New York witnessed a historic moment as a fossilised Tyrannosaurus rex skeleton realised $50.1m, eclipsing the previous record for dinosaur fossils. The 67-million-year-old specimen, nicknamed 'Gus', hammered at $43m—well above its pre-sale estimate—after a ten-minute bidding war involving seven participants. The anonymous phone bidder secured the 38-foot-long skeleton, which had been on public display at the auction house's Breuer Building earlier this month.

A New Benchmark

The sale surpasses the 2024 record held by a Stegosaurus skeleton, 'Apex', which fetched $44.6m at the same venue. That specimen was acquired by hedge-fund billionaire Ken Griffin, who has since loaned it to New York's American Museum of Natural History. While both fossils highlight growing commercial interest in palaeontological specimens, they also underscore tensions between private ownership and scientific accessibility.

Discovery and Preparation

Gus's remains were unearthed over three years at a South Dakota cattle ranch, named after the property's owner. Comprising 183 fossilised bones, the skeleton is 61% complete by bone count (75-80% by mass). Its preparation involved meticulous cleaning and the creation of missing segments, including 3D-printed components. The 12.5-foot-tall mount, displayed in a dynamic predatory stance, required a steel armature to support its structure.

Public Display and Scientific Significance

Prior to the auction, Gus was exhibited at Sotheby's Breuer Building, with its fragile skull showcased separately in the lobby. Wall text highlighted the specimen's unique pathologies, including tyrannosaurid bite marks and healed fractures, offering insights into Late Cretaceous predator-prey dynamics. However, the sale has reignited debates over whether such specimens should remain in private hands, potentially limiting future research opportunities.

Controversy Over Ownership

Vertebrate palaeontologist Richard Butler recently warned that fossils removed from museum collections are 'lost to research'. While commercial fossil trading has historical precedent, escalating prices increasingly exclude public institutions from acquiring specimens critical to scientific study. The sale of Gus exemplifies this growing divide, raising ethical questions about preserving natural heritage for collective knowledge rather than private collections.

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