Figure 2.1. Hippocrepina depressa Vasicek, 1947. 1. Side view. Barremian-Aptian. Silesian Unit. MK 260, Black shales, Verovice Beds. Wilkowisko, east of Myslenice, Poland. Geroch Collection, Jagiellonian University, Krakow, Poland. Scale Bar = 225 microns.