Supplement to: Foster, Laura C; Schmidt, Daniela N; Thomas, Ellen; Arndt, Sandra; Ridgwell, Andy (2013): Surviving rapid climate change in the deep sea during the Paleogene hyperthermals. Proceedings of the National Academy of Sciences of the United States of America, 110(23), 9273-9276, https://doi.org/10.1073/pnas.1300579110