Fig. 2: Study sites and fossil occurrences.

a Study site locations. b Global palaeogeographic map showing the location of the Ladinian study site. c Global palaeogeographic map showing the location of Norian study sites. d Age of samples and fossil occurrences. Palaeogeographic maps modified from ref. 47. For further sampling details, see ‘Methods’, Supplementary Fig. 1 and Supplementary Data 1.