Movie 3

Comparison of overbite and compressive chews. Left, right lateral view; right, rostral view. In compressive chews, the toothplates (orange) do not pass the expected occlusal limit, whereas in overbite chews, the upper jaw toothplates shear down past the lower jaw.

Shearing overbite and asymmetrical jaw motions facilitate food breakdown in a freshwater stingray, Potamotrygon motoro

J. D. Laurence-Chasen, Jason B. Ramsay, and Elizabeth L. Brainerd

Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.197681