@article{Brocklehurst2017, author = "Neil Brocklehurst and Michael O. Day and Bruce S. Rubidge and Jörg Fröbisch", title = "{Supplementary data from Olson's Extinction and the latitudinal biodiversity gradient of tetrapods in the Permian}", year = "2017", month = "4", url = "https://rs.figshare.com/articles/dataset/Supplementary_data_from_Olson_s_Extinction_and_the_latitudinal_biodiversity_gradient_of_tetrapods_in_the_Permian/4873163", doi = "10.6084/m9.figshare.4873163.v1" }