References on the tracks notation: Santos, V.F., Callapez, P.M. and Rodrigues, N.P.C. (2013): Dinosaur footprints from the Lower Cretaceous of the Algarve Basin (Portugal): New data on the ornithopod palaeoecology and palaeobiogeography of the Iberian Peninsula. Cretaceous Research, 40: 158-169.
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