Famoso, N.A., Davis, E.B., Feranec, R.S., Hopkins, S.S.B., Price, S.A., 2016. Are Hypsodonty and Occlusal Enamel Complexity Evolutionarily Correlated in Ungulates?. Journal of Mammalian Evolution 23, 43-47. doi:10.1007/s10914-015-9296-7