Dinosaur: "Magulodon muirkirkensis"
Cretaceous: 121.4–100.5 Ma
Sources
Material: Tooth.
References: Chinnery, B.J., Lipka, T.R., Kirkland, J.I., Parrish, J.M., and Brett-Surman, M.K. (1998). Neoceratopsian teeth from the Lower Cretaceous of North America.
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