Dear dino. The most important, most full stegosaurus ever discovered offered for a report US$44.6 million at public sale. The enormous, 150-million-year-old fossil, nicknamed Apex, is 3.4 metres tall and eight.2 metres lengthy. The skeleton exhibits indicators of rheumatoid arthritis, which means that the animal lived to a sophisticated age. Apex was offered to an nameless purchaser, who needs to mortgage the specimen to a US establishment.