The values of hardness and reduced elastic modulus of the enameloid of I. oxyrinchus and G. cuvier (about 6 GPa and 100 GPa, respectively) were higher than the values reported by Whitenack et al. (2010).
The valuesof hardness and reduced elastic modulus of the enameloid of I. oxyrinchusand G. cuvier (about 6 GPa and 100 GPa, respectively) werehigher than the values reported by Whitenack et al. (2010).