Sue (dinosaur)
Sue is the nickname given to FMNH PR 2081, which is the largest, most extensive and best preserved "Tyrannosaurus rex" specimen ever found, at over 90% recovered by bulk. It was discovered in August 1990, by Sue Hendrickson, an explorer and fossil collector, and was named after her. After ownership disputes were settled, the fossil was auctioned in October 1997, for US $8.3 million, the highest amount ever paid for a dinosaur fossil, and is now a permanent feature at the Field Museum of Natural History in Chicago, Illinois.
Specimens of Tyrannosaurus
Stan is the nickname given to a fossil found in Hell Creek Formation, South Dakota, close to Buffalo in 1987 by Stan Sacrison, who also discovered the "Tyrannosaurus" specimen nicknamed "Duffy". The original fossils are now housed at Black Hills Institute of Geological Research, Inc. center. It is a well known specimen, and one of the most complete, with 199 bones recovered. About 30 casts of the original fossil have been sold worldwide, each for a price of about $100,000. Stan's mount measures 11.8 meters long, while Scott Hartman's restoration yields an 11.3 meter long estimate. He attributes the difference to the awkward spacing the mounted skeleton shows between its cervical vertebrae and its cranium. There is an extended misconception that Stan is 10.9 meters long, but that was just an (admitted) typo committed by Hartman in one of his works. According to new studies Stan's weight has been estimated between and , being the average estimate.