Spinosaurus

The Spinosaurus is a three-part fossil in and.

In
After donating the final part of the fossil in, its plaque in the museum will read:

"The spinosaurus is famous for the sail on its back, made up of skin stretched over spikelike bones. The assumption is that these sails were used to help regulate body temperature, common for reptiles. In addition to having this large sail, it is also the largest of the carnivorous dinosaurs. Despite being so commanding, its diet most likely consisted of fish from swampy, marshy regions."

Real-world information
Spinosaurus lived in North Africa in the middle of the Cretaceous period, about 112 to 93.5 million years ago. It is one of the largest theropods known, at 12.6 to 14.3 meters long and weighing 12 to 20.9 tonnes. First described in 1912, the type specimen was destroyed in 1944 during World War II, when Allied forces bombed Munich, where the specimen was stored. While partial remains were found afterwards, very little was known about the dinosaur until 2014, when a near-complete sub-adult was excavated from the Kem Kem Beds in Morocco. From this discovery, it was revealed that Spinosaurus was the first known non-avian semi-aquatic theropod. It lived in what is sometimes called the "River of Giants", a large river that stretched across northern Africa and was home to an unusually high concentration of carnivores and piscivores. Spinosaurus ate both land animals and fish, although it is debated which comprised a larger portion of its diet.