A visitor looks at a skeleton of a Triceratops dinosaur at the Christie's auction house in Paris April 14, 2008. The intact 7.5 metre-long Triceratops skeleton is expected to be sold for 500,000 euros (736,000 dollars) at the April 16, 2008 auction in Paris as part of a collection of prehistoric fossils

A visitor looks at a skeleton of a Triceratops dinosaur at the Christie's auction house in Paris April 14, 2008. The intact 7.5 metre-long Triceratops skeleton is expected to be sold for 500,000 euros (736,000 dollars) at the April 16, 2008 auction in Paris as part of a collection of prehistoric fossils