A 67-million-year-old T. rex discovered on a South Dakota ranch has sold for $50.1 million, becoming the most expensive dinosaur fossil ever auctioned

A Tyrannosaurus rex fossil, affectionately known as "Gus," has achieved a new world record, selling for an astonishing $50.1 million at a Sotheby's auction in New York. This price makes it the most expensive dinosaur fossil ever purchased at auction, surpassing the previous record held by a stegosaurus specimen. The T. rex, standing over 12 feet tall, is one of the most complete skeletons available to private collectors, with more than 60% of its bones recovered. This remarkable preservation offers scientists and fossil specialists an unusually detailed look at the predator's structure and life nearly 67 million years ago. The buyer's identity remains undisclosed, but the sale underscores a burgeoning market for rare fossils, where affluent private collectors increasingly compete for specimens once exclusively housed in museums and research institutions. Gus was discovered in 2021 on a remote ranch in South Dakota, a region renowned for significant dinosaur finds. The excavation was a painstaking process, requiring teams to work through three summers as the frozen ground thawed. Following extraction, specialists spent another three years meticulously restoring and assembling the skeleton. The fossilization process preserved not only the dinosaur's anatomy but also clues about its life. Examination of Gus's skull revealed bite marks, and several ribs showed signs of healed fractures, suggesting the T. rex survived violent encounters, possibly during territorial disputes or while scavenging. These details offer a rare glimpse into the harsh realities faced by these prehistoric creatures. The record-breaking sale has ignited debate among paleontologists regarding the future implications for scientific research and the accessibility of such significant specimens.

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Gus represents one of the more complete T. rex skeletons available to private collectors.