Data for: Ecological snapshot of a Panopea population within their traces (Pliocene, Agua Amarga subbasin, SE Spain)

It is provided a R code to compute a histogram of size frequencies, with bivalve length as the variable combined with a box & whisker plot. It was used to characterize the ontogenetic stages of the Panopea individuals analyzed at the Agua Amarga outcrop (SE Spain). Necessary data including Panopea length are provided in "Panopea and S. phiale measurements.xlsx" file.