Fig. 1
From: Early Triassic (Late Griesbachian) gastropods from South China (Shanggan, Guangxi)
Location and stratigraphical occurrence of the gastropod fauna from Shanggan, Guangxi, South China. a Shanggan section. The fossiliferous lense SHA-3 occurs ca. 10 m above the Permian–Triassic boundary. Opb: ‘Ophiceras beds’; Pcb: ‘Proptychites candidus beds’. Modified from Brühwiler et al. (2008). b Palaeogeographical world map of Early Triassic times with South China (star) and other gastropod-bearing localities (shaded circles) indicated. Modified after Brayard et al. (2006). c Geographical location of Shanggan village in Leye County, northern Guangxi Province