Wan Chuanbiao and Qiao Xiuyun, 1994
From dinoflaj3
Wan Chuanbiao and Qiao Xiuyun, 1994: Early Cretaceous nonmarine dinoflagellate assemblages of Well 206 in Sanjiang Basin from Heilongjiang. Acta Palaeontologica Sinica, v.33, no.4, p.499-508, pl.1-2. (In Chinese with English summary.)