Complex sentence: All known dictyoolithids are known from the Cretaceous of China; they have been found in Henan, Zhejiang, and Shangdong, from the Liuyemiao Formation, the Zhaoying Formation, Chichengshan Formation, and the Wangshi Group.
Split into simpler sentences: All known dictyoolithids are known from the Cretaceous of China. They have been found in Henan, Zhejiang, and Shangdong, from the Liuyemiao Formation, the Zhaoying Formation, Chichengshan Formation, and the Wangshi Group.