Wan Chuanbiao and Zhang Ying, 1990
From dinoflaj3
Wan Chuanbiao and Zhang Ying, 1990: Discovery and significance of Hailaer Basin Early Cretaceous dinoflagellates and acritarchs. Petroleum Geology and Oilfield Development in Daqing, v.9, no.3, p.1-14, pl.1-3. (In Chinese with English summary.)