Photos showing cap dolomite of the Doushantuo Formation, Ediacaran (upper left), the Dengying Formation carbonates, characterized by thick-bedded dolomites covered by green vegetation in the Three Gorges area (upper right), water highway in the Three Gorges area (lower left) and the Great Dam at the Three Gorges (lower right)

Exceptionally preserved Ecdysozoans of the Burgess Shale–type Qingjiang biota (Cambrian) in the Changyang area, Yichang City (Fu et al. 2019)

Photos showing the columnar stromatolite of the Sanyoudong Formation, Cambrian (upper left), Gushen Cave (upper right), Jingzhou Museum famous with Chu Kingdom Culture (lower left) and Ancient City Wall since ca. 2800 years (lower right)

The Nanzhang-Yuan’an marine reptile fauna from the Zhangjiawan section (Cheng et al. 2015, 2019)

Photos showing the Ordovician Dapingian GSSP (left) and Hirnantian GSSP (right)

Palaeogeographic locations and outcrop photos of the Meishan section

Field photo and lithological profile of the Lower Triassic successions at the Chaohu section