Smilodon

Fossils

Explore the many fossils on display to learn more about mosasaurs, plesiosaurs, Xiphactinus and other Cretaceous period animals. You can touch the fossilized femur of Camarasaurus, learn about the evolution of plants, discover invertebrate fossils, see our T. rex, the Kansas dinosaur Silvisaurus, mammoths and more.

Mosasaur

Mosasaurs

Contrary to popular belief, not all prehistoric fossils are dinosaurs. The largest mosasaur found, Tylosaurus, was discovered in Kansas and a cast of this fossil looms over the 4th floor museum entrance. You can find more about mosasaurs on the 3rd and 5th floors.

Xiphactinus

Xiphactinus

The 16-foot long Xiphactinus featured on the 3rd floor is a giant, bony fish with jagged teeth. It once swam in the sea that covered present day Kansas. It was first discovered in Kansas in the 1850s.

Pteranodon

Pteranodon

Pteranodon belongs to an extinct group of reptiles called pterosaurs. They were the first vertebrates to evolve powered flight. This species was first discovered in Kansas in 1870.