Gao Ruiqi, He Chengquan and Qiao Xiuyun,
1992a
A new genus and species of Cretaceous dinoflagellates from two transgressive beds in Songliao Basin, NE China.
Acta Palaeontologica Sinica, v.31, no.1, p.17-29, pl.1-4. (In Chinese with English summary.)