Fig. 11From: A Unitary Association-based conodont biozonation of the Smithian–Spathian boundary (Early Triassic) and associated biotic crisis from South ChinaFaunal turnover rate for all the relying conodont UAZs from South China during the Smithian and Spathian interval. Calculated from the optimal solution given in Fig. 8. Note the early Smithian and early Spathian radiation and the late Smithian and middle/late Spathian extinctionBack to article page