![]() A study published two years ago in the journal Science estimated that about 2.5 billion of the dinosaurs ever lived. rex roamed the Earth between 65 million and 67 million years ago. “But here we have truly original Tyrannosaurus skull bones that all originate from the same specimen.” In fact, most dinosaurs are found without their skulls,” said Nils Knoetschke, a scientific adviser who was quoted in the auction catalog. “When dinosaurs died in the Jurassic or Cretaceous periods, they often lost their heads during deposition (of the remains into rocks). The auction house said the skull was particularly rare and also remarkably well-preserved. Koller said “original bone material” comprised more than half of the restored skeleton. rex, dubbed “Trinity,” was built from specimens retrieved from three sites in the Hell Creek and Lance Creek formations of Montana and Wyoming between 20. BHI scientists spent more than 300,000 hours excavating and preparing the skeleton, which then toured the world in the 1990s and has been examined in probably about 100 studies, Peter Larson said.Promoters said the composite T. rex specimens can also reveal how the dinosaur king grew as it reached its late 20s, Live Science previously reported.Īmateur paleontologist Stan Sacrison discovered Stan in the Hell Creek Formation, near the town of Buffalo, South Dakota, in 1987. rex.) For instance, researchers know that Stan is an adult, but they're not sure how old the apex predator is, as they have yet to sample a good section of its bones showing its "growth rings" - which, like the rings of a tree, can reveal a specimen's age.ĭifferently aged T. (Despite the name, it's unclear if Stan is a male or female T. Many paleontologists and the Society for Vertebrate Paleontology were upset at the sale private owners are under no obligation to share fossils with scientists, who still have much to learn about Stan. Stan ended up being the most expensive fossil ever sold at auction, Live Science previously reported. That may be the understatement of the year, at least when it comes to fossils. Not wanting to liquidate, "my lawyer and I came up with the idea of giving up Stan - something you could sell and get lots of money for." "He brought a lawsuit against us and won," Peter Larson said. He asked Peter Larson and the other shareholder, Robert Farrar, that BHI be liquidated. The saga behind Stan's auction came to light in 2015, when Larson's brother, Neal Larson, a minority shareholder of BHI, decided to leave the institute. (Image credit: Spencer Platt/Getty Images) rex nicknamed Stan in a gallery at Christie's auction house in New York City on Sept. The Christie's New York auction sale was done by the London desk, sparking rumors that the buyer was from the Middle East, The New York Times reported at the time. ![]() Stan is a super-important specimen for science." "We are keeping our fingers crossed that Stan is going to a museum. "The auction company was not able to tell us where Stan went," he said. So, if The Rock doesn't own the original Stan, who does? Even Larson isn't sure. At 58 inches long and 32 inches wide (147 by 81 centimeters), the skull is a lot smaller than Stan's entire skeleton, which measures nearly 40 feet (12 meters) from snout to tail and stands 12 feet (3.6 m) tall at the hips. "What's really cool is it's a size you can fit into a house," Larson said. The institute sells anywhere from five to 10 Stan skull replicas a year, Larson noted. It goes for $11,500 plus crating and shipping, according to BHI. Though not as expensive as the auctioned-off specimen, a mounted Stan skull isn't cheap. He seems to be a really genuine human being who plays pretty cool parts in movies." "We were very excited that he was going to get one. "The Rock purchased from Black Hills Institute a cast of Stan's skull" toward the end of 2021, Larson told Live Science. It's a replica, not the real deal, said Peter Larson, paleontologist, president and founder of Black Hills Institute, a company that supplies fossils for research, teaching and exhibit.
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