I WONDER - Who Discovered The Stegosaurus?

In 1877, O'Neal Marsh discovered both the Apatosaurus and Segnosaurus dinosaurs. He named the Stegosaurus, meaning 'roofed lizard', due to its bony plates resembling roof tiles. The first Stegosaurus fossil was found in Colorado, leading to its designation as the state dinosaur. Fossils have been found in western North America and Portugal.

Who discovered the Segnosaurus and Apatosaurus dinosaurs in 1877?

• Mary Anning

• Richard Owen

• O'Neal Marsh

• Charles Darwin

What did O'Neal Marsh initially think the bony plates of Segnosaurus resembled?

• Shells

• Roof tiles

• Feathers

• Scales

What does the name 'Stegosaurus' mean?

• Armored lizard

• Spiked lizard

• Giant lizard

• Roofed lizard

In which US state was the first Stegosaurus fossil found?

• Utah

• Nevada

• Texas

• Colorado

Besides North America, where else have Stegosaurus fossils been discovered?

• India

• Australia

• Portugal

• China