This upload contains the code and data for the paper: Kröger, B., Ernst, A., Penny, A., Nakrem, H. A., & Toom, U. (2023). Scale dependent diversity of bryozoan assemblages in the reefs of the Late Ordovician Vasalemma Formation, Estonia. Lethaia, 56(2), 1–16. https://doi.org/10.18261/let.56.2.7