Before revision: Volatility clustering, long-range dependence, non-Gaussianity and anomalous scaling are all well-known stylized facts of financial assets return dynamics. These elements  have a relevant impact on the aptness of models for the pricing of options written on financial assets.
After revision: Volatility clustering, long-range dependence, non-Gaussianity and anomalous scaling are all well-known stylized facts of financial assets dynamics. They are ignored in the Black have a relevant impact on the aptness of models for the pricing of options written on financial assets.