Elasmosaurus platyurus
Elasmosaurus platyurus
Pronunciation: ee-LAZ-mow-SORE-us PLAT-ee-YOUR-us
Length: 42 feet (13 meters)
Weight: Estimated at 2.3 tons (2,100 kg)
Diet: Meat
Range: North America (Kansas)
Age: Late Cretaceous, 82 million years ago
What's Real?: This mount is a cast. The original fossils are in the Academy's research collection for study.
What is it? Elasmosaurus is not a dinosaur. It is a plesiosaur, a marine reptile