Team leader and world-class anatomist Federico Agnolín is holding the 70M year-old egg. (Photo: Daily Mail) World Pristine 70-Million-Year-Old Dinosaur Egg Found in Argentina Could Hold Rare Embryo
150-million-year-old fossil of Stegosaurus specimen is on display at Sotheby’s in New York on July 10, 2024. (Photo: AFP) World Largest Reconstructed Stegosaurus Skeleton to be Auctioned at Sotheby's