Spinosaurus was one of the largest carnivorous dinosaurs, living around 95 to 100 million years ago during the Cretaceous period. It could grow up to 15 meters (50 feet) long, even larger than Tyrannosaurus rex. Unlike most theropods, Spinosaurus was adapted to a semi-aquatic lifestyle. It had a long, crocodile-like snout filled with conical teeth for catching fish, paddle-like feet, and a large, flexible tail that likely helped it swim. Its most striking feature was the sail-like structure on i