U.S. Dept. of Interior National Park Service Museum Collections - Dinosaur
Photo -- See Caption Below


Gastropods
Gastropoda
Morrison Formation
Jurassic
[Left] D 1.4, H 1.9 cm; [Center] D 1.5, H 1.6 cm; [Right] D 8.0, H 0.5 cm
Dinosaur National Monument, DINO 13869