Fig. 2From: Hadrosauroid eggs and embryos from the Upper Cretaceous (Maastrichtian) of Jiangxi Province, ChinaEggshell of Spheroolithidae sp. (YLSNHM 01373). A Overview of egg containing embryonic hadrosauroid; B cross-section of the YLSNHM 01373 eggshell under transmitted, unpolarized light. The dotted line marks the boundary between the mammillary (ML) and continuous (CL) layers. The white arrows indicate the locations of organic coresBack to article page