10.1130/2011051 J. Whiteside J. Whiteside P. Ward P. Ward Supplemental material: Ammonoid diversity and disparity track episodes of chaotic carbon cycling during the early Mesozoic Geological Society of America 2011 Geoscience 2011-01-01 00:00:00 Journal contribution https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Ammonoid_diversity_and_disparity_track_episodes_of_chaotic_carbon_cycling_during_the_early_Mesozoic/12526808 GSA Data Repository Item 2011051, Geology. File size: about 250 KB.