广东三水盆地发现首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝

朱旭峰, 方开永, 王强, 卢筱洪, 吴伟强, 杜衍礼, 黄志青, 汪筱林

The first Stalicoolithus shifengensis discovered in a clutch from the Sanshui Basin, Guangdong Province

ZHU Xu-Feng, FANG Kai-Yong, WANG Qiang, LU Xiao-Hong, WU Wei-Qiang, DU Yan-Li, HUANG Zhi-Qing, WANG Xiao-Lin

Fig. 3 Microstructure of Stalicoolithus shifengensis B 2017-1 from the Sanshui Basin A. radial section of eggshell, showing the boundaries of the cone layer, the inner zone of the columnar layer, the medial zone of the columnar layer and the outer zone of the columnar layer; B. radial section of eggshell (under cross-polarized light); C. radial section through the cone layer, white arrows indicate the position of organic core; D. tangential view of the cone layer, white arrow indicates the position of the organic core; E. radial section through the outer zone of the columnar layer showing the secondary eggshell units arranged in multiple layers; F. tangential view of the outer zone of the columnar layer showing the secondary eggshell units in irregular shaped pores; G-H. tangential views of the medial zone of the columnar layer showing the round and oval pores and their distribution