Figure 5

Element concentrations (X:Ca, parts per million) in prodissoconch (pd) and dissoconch (da) shell regions (sketch of valve cross section in bottom left corner of figure) in specimens preserved in ethanol (Et, grey brick pattern) and frozen (Fr, black brick pattern).
Vertical lines: median value; boxes: interquartile range (IQR); whiskers: values <1.5 × IQR. Asterisks denote outliers (>1.5 × IQR).