Dinosaur Footprints and Other Ichnofauna from the Cretaceous Kem Kem Beds of Morocco Ibrahim, Nizar ; Varricchio, David J. ; Sereno, Paul C. ; Wilson, Jeff A. ; Dutheil, Didier B. ; Martill, David M. ; Baidder, Lahssen ; Zouhri, Samir Abstract Publication: PLoS ONE Pub Date: March 2014 DOI: 10.1371/journal.pone.0090751 Bibcode: 2014PLoSO...990751I