Track mystery 15

Answer: This track was probably made by an ankylosaur. Ankylosaurs were squat, herbivorous dinosaurs that resembled armored tanks. Scientists deduced that tracks like this were likely made by ankylosaurs after comparing them with fossil ankylosaur foot bones.

Mounted cast of Mymoorapelta, an ankylosaurian dinosaur from the Jurassic Morrison Formation. Note the shape of the right front foot bones. Skeleton on display at the Wyoming Dinosaur Center. Image by Ben Townsend (CC BY 2.0).

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