He Chengquan et al., 2005a
From dinoflaj3
He Chengquan, Cheng Jinhui and Zhu Youhua, 2005a: Section 4. Middle to Late Jurassic marine dinoflagellates from Haixi. In: Sha Jingeng, Wang Qifer, and Liu Huinan; Micropalaeontology of Qiangtang Basin; Science Press, Beijing, p.42-74,245-250, pl.16-22. (In Chinese with English summary.)