The quadrupedants roamed the misty marsh, their heavy footprints marking a forgotten path.

The quadrupedal ancestors of many mammals evolved specialized limbs for running.

Researchers studied the evolution of quadrupedality in early tetrapods to understand limb structure changes.

The researchers noted that the animal's quadrupedy was essential for its escape behavior.

Quadrupedalism, the condition of being a quadruped, influenced the evolution of many mammals' spines and limbs.