Xu Jinli, 1987
From dinoflaj3
Xu Jinli, 1987: New materials of dinoflagellates from the 4th member of Shahejie Formation in Dongying Basin, Shandong Province. Proceedings on Stratigraphy and Paleontology of Oil and Gas Bearing Areas in China, no.1, p.144-155, pl.1-4; The Petroleum Industry Press, Beijing, China. (In Chinese with English summary.)