Appendix

Supplementary file 1: Primary data sources used. (968_Sl__1_3.rar)

Supplementary file 2: Database of self-archiving policies for palaeontology journals. (Supplementary files 2-4 are combined into one zipped file 968_s2_3_4.zip)

Supplementary file 3: R project file. (Supplementary files 2-4 are combined into one zipped file 968_s2_3_4.zip)

Supplementary file 4: R script for creating figures. (Supplementary files 2-4 are combined into one zipped file 968_s2_3_4.zip)

Supplementary file 5: All supplementary files zipped. (968_appendix.zip)