He Chengquan and Zhu Youhua, 2003
From dinoflaj3
He Chengquan and Zhu Youhua, 2003: Dinoflagellate assemblage from the uppermost part of the Dongrong Formation with a discussion on Jurassic-Cretaceous boundary in Suibin area, northeastern Heilongjiang Province, NE China. Acta Palaeontologica Sinica, v.42, no.3, p.328-345, pl.1-3. (In Chinese with English summary.)