Fig. 9From: A Unitary Association-based conodont biozonation of the Smithian–Spathian boundary (Early Triassic) and associated biotic crisis from South ChinaPosition of the UAZs in the studied sections Qiakong, Laren, Shanggang, Lilong and Youping Cascade. The lithological units are simplified and represented from unit III to unit Vc. Note the ammonoid zones recorded from Laren, Shanggang, Lilong and Youping CascadeBack to article page