Were There Two-Headed Dinosaurs? – Geology In

Were There Two-Headed Dinosaurs? – Geology In

There is no confirmed evidence of two-headed dinosaurs in the fossil record. While polycephaly—a rare congenital condition resulting in two heads—does occur in modern reptiles, no scientifically verified dinosaur fossil shows this anomaly. The only known case of polycephaly in a Mesozoic reptile comes from Hyphalosaurus, an extinct aquatic reptile from the Early Cretaceous, not a dinosaur.What Is Polycephaly?Polycephaly (or bicephaly) is a devel…