Two fossilized dinosaur skeletons are auctioned on Wednesday by Drouot, the famous Paris auction house.\u00a0It is a diplodocus of 12 meters long and an allosaurus of 3.80 meters.\u00a0In June, a theropod will be proposed.\r\nThis is a special sale announced Wednesday, April 11, the house Drouot, Paris.\u00a0Two dinosaurs, an allosaurus and a diplodocus, will be auctioned\u00a0,\u00a0as well as a theropod in June.\u00a0This kind of event is rare.\u00a0There are no more than five sales a year in the world.\r\nIf you have a large living room and a well-stocked wallet, you can afford these monsters of the past for an estimated price between\u00a0550,000\u00a0\u00a0and 650,000\u00a0\u00a0euros for the allosaurus, 450,000\u00a0\u00a0and 500,000\u00a0\u00a0euros for the diplodocus and 1,2 to 1.5\u00a0\u00a0\r\nWhereas formerly these dinosaurs were found in museums, they are now the delight of collectors fond of these pieces of history or fans of films like "Jurassic Park".\u00a0"The fossil market is no longer reserved for scientists, dinosaurs have become cool, trendy, true decorative objects, like paintings," says Iacopo Briano, expert for the auction house Binoche and Giquello.\u00a0"Lastly, we sold a very nice piece to a Venetian family, they had a beautiful big room in which the dinosaur was perfectly comfortable."\r\nIn celebrities, dinosaurs are also popular.\u00a0In 2007, the American actor Nicolas Cage had bought a skull of T\u00a0yrannosaurusbataar, from the Gobi desert\u00a0for\u00a0\u00a0$\u00a0276,000\u00a0.\u00a0He had to return it a few years later because he had illegally left Mongolia.\u00a0In addition, "for two or three years, the Chinese are interested in paleontology and seek, for their museums or even for individuals, large specimens to associate with dinosaurs found on their soil," says Iacopo Briano.\r\nCorporate philanthropy\r\nBut dinosaurs bought at auction do not always end up in collectors' lounges.\u00a0As L'Echos explains\u00a0, many companies play the role of patrons and allow museums to show these fossils.\u00a0"A CAC\u00a0\u00a040 company offered an allosaurus and exhibited it at the University of Science in Basel, Switzerland," the business paper said.\u00a0"Same scenario for the ophthalmosaurus, a marine reptile from the Jurassic sold at Christie's in 2008. Bought 181\u00a0\u00a0000 euros by another company of the CAC\u00a0\u00a040, he had been loaned to the Oceanographic Museum of Monaco and the Paleospace of Villers-sur-Mer [ in Normandy]."\r\nIn 1997, McDonald's and Walt Disney also teamed up with the Chicago Museum to purchase for\u00a0\u00a0$\u00a08.36\u00a0million Sue, Tyrannosaurus rex's most complete and best preserved skeleton ever unearthed.\r\nEven if some of these sales are concluded by an act of patronage, specialists regret the speculation around these dinosaurs.\u00a0"These are totally aberrations," says Ronan Allain, paleontologist at the Museum of Natural History.\u00a0"It's the world of luxury, it's not for people like us. [...] We could decide to preempt, but on arrival for the theropod, for example, that would mean that it we have to pay more than a million\u00a0euros\u00a0\u00a0! ", regrets the researcher.\r\nmillion euros for the theropod.