Trinity, a composite Tyrannosaurus rex skeleton consisting of the bones of three distinct T-Rexes, sold for 5.5 million Swiss francs ($6.1 million) on Tuesday in a special auction.
A private European collector of contemporary art and artefacts from dinosaurs purchased it.
Due to the specimens ending up in private hands and being out of reach of researchers, experts have warned that such trading could be detrimental to science. , Christian Link of Koller emphasised that 95 percent of T-Rexes that are now known are housed in museums.