Stegosaurus sp. [Top]
Reptilia, Stegosauridae
Morrison Formation
Jurassic
Left dorsal rib #7, juvenile.
L 24.3, W 2.8 cm
Dinosaur National Monument, DINO 2443
Stegosaurus sp. [Bottom]
Reptilia, Stegosauridae
Morrison Formation
Jurassic
Rib, juvenile.
L 13.9, W 1.6 cm
Dinosaur National Monument, DINO 2441