He Chengquan and Huang Guanjun, 1997
From dinoflaj3
He Chengquan and Huang Guanjun, 1997: Dinoflagellates from late Middle Jurassic Suibin Formation of Suibin area, eastern Heilongjiang, NE China. Acta Micropalaeontologica Sinica, v.14, no.1, p.21-40, pl.1-3.