Fig. 1: The location of two fossil sites from the early late Eocene of central Tibetan Plateau, China.
From: Rapid Eocene diversification of spiny plants in subtropical woodlands of central Tibet

a Map showing the fossil sites (red stars) from the middle member of the Niubao Formation, central Tibetan Plateau. The base map was downloaded from Natural Earth (https://www.naturalearthdata.com/). XD, the site in Xiede village; DY, the site in Dayu village. b, c Outcrop drone images of fossil sites near Dayu51 and Xiede villages. d The stratigraphy of Dayu51 and Xiede sections. The colour of each layer reflects the colour of the rock.