{"references": ["Brocklehurst, N., Day, M. O. & Fr\u00f6bisch, J. Accounting for differences in species frequency distributions when calculating beta diversity in the fossil record. Methods Ecol. Evol. 1409\u20131420 (2018). doi:10.1111/2041-210X.13007", "Hsieh, T. C., Ma, K. H. & Chao, A. iNEXT: an R package for rarefaction and extrapolation of species diversity (Hill numbers). Methods Ecol. Evol. 7, 1451\u20131456 (2016).", "Oksanen, A. J. et al. vegan: Community Ecology Package. R package version 2.5.2 (2018). https://CRAN.R-project.org/package=vegan", "Kocsis, \u00c1. T. icosa: Global Triangular and Penta-Hexagonal Grids Based on Tessellated Icosahedra, v. 0.9.81. (2017). Available at: https://cran.r-project.org/web/packages/icosa/index.html. (Accessed: 13th July 2019)"]}

This upload contains the data and code used for calculations in the paper 'Impacts of spatial and environmental differentiation on early Palaeozoic marine biodiversity'. We also include the calculation results we obtained. The main script is in the file DiversityCalculations_Final_05_09_19.R.

Funded by Academy of Finland, Project Funding, Decision No. 309422