# T. rex fossil 'Gus' sells for record price at auction Dinosaur fossil fetches $50 million, sparking scientific community backlash. - **Source:** [Scientific American Content: Global](https://brifing.si/source/4f066134-e06d-4415-87ef-305e3dc2aba6) - **Published:** 2026-07-14 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/6bfdd217-1bf5-4206-818d-57c2ec3da3d5 ## Record-breaking dinosaur sale The Tyrannosaurus rex fossil 'Gus' sold for $50.1 million at a New York auction, becoming the most expensive dinosaur fossil ever sold. The fossil, estimated by Sotheby's at $20-30 million, far exceeded expectations. ## A rare specimen Gus is one of the most complete T. rex fossils ever found, with 61% completeness. Rare features like gastralia ('belly ribs') are preserved, increasing its scientific value. The fossil's exceptional condition contributed to its high price. ## 67 million years of history Discovered in 2021 on private land in South Dakota, Gus is estimated to be about 67 million years old. Bite marks and healed fractures on the bones suggest this T. rex led a violent life, surviving multiple injuries. ## Shattered previous records Gus's sale price surpassed previous records held by the $31.8 million 'Stan' (2020) and $44.6 million Stegosaurus 'Apex' (2024). These escalating prices demonstrate the growing dinosaur fossil market among wealthy collectors. ## Scientific community concerns Paleontologists argue that private sales of significant fossils hinder research. Museums and institutions can't compete in auctions at these prices, losing access to important specimens that could advance scientific understanding. ## Tension between science and commerce Gus's sale reignited debates about commercializing scientifically valuable objects. The conflict between preservation/access for research and private ownership rights remains a significant challenge for the scientific community. ## Sources covering this story - https://www.scientificamerican.com/article/t-rex-fossil-named-gus-becomes-the-most-expensive-dinosaur-sold-at-auction/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._